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Workplace Software and Skills

11.5 Data Analysis Charts

Workplace Software and Skills11.5 Data Analysis Charts

Table of contents
  1. Preface
  2. 1 Technology in Everyday Life and Business
    1. Chapter Scenario
    2. 1.1 Computing from Inception to Today
    3. 1.2 Computer Hardware and Networks
    4. 1.3 The Internet, Cloud Computing, and the Internet of Things
    5. 1.4 Safety, Security, Privacy, and the Ethical Use of Technology
    6. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  3. 2 Essentials of Software Applications for Business
    1. Chapter Scenario
    2. 2.1 Software Basics
    3. 2.2 Files and Folders
    4. 2.3 Communication and Calendar Applications
    5. 2.4 Essentials of Microsoft 365
    6. 2.5 Essentials of Google Workspace
    7. 2.6 Collaboration
    8. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  4. 3 Creating and Working in Documents
    1. Chapter Scenario
    2. 3.1 Navigating Microsoft Word
    3. 3.2 Formatting Document Layout in Microsoft Word
    4. 3.3 Formatting Document Content in Microsoft Word
    5. 3.4 Collaborative Editing and Reviewing in Microsoft Word
    6. 3.5 Document Design
    7. 3.6 Navigating Google Docs
    8. 3.7 Formatting Layout and Content in Google Docs
    9. 3.8 Collaborative Editing and Reviewing in Google Docs
    10. 3.9 Versions and Version History
    11. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  5. 4 Document Preparation
    1. Chapter Scenario
    2. 4.1 Microsoft Word: Advanced Formatting Features
    3. 4.2 Working with Graphics and Text Tools in Microsoft Word
    4. 4.3 Managing Long Documents in Microsoft Word
    5. 4.4 Google Docs: Enhanced Formatting Features
    6. 4.5 Working with Graphics and Text Tools in Google Docs
    7. 4.6 Managing Long Documents in Google Docs
    8. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  6. 5 Advanced Document Preparation
    1. Chapter Scenario
    2. 5.1 Creating Different Document Types in Microsoft Word
    3. 5.2 Mail Merge in Microsoft Word
    4. 5.3 Creating Forms in Microsoft Word
    5. 5.4 Creating Different Document Types in Google Docs
    6. 5.5 Creating Forms in Google Docs
    7. 5.6 Advanced Collaboration in Google Docs
    8. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  7. 6 Preparing Presentations
    1. Chapter Scenario
    2. 6.1 Presentation and Design Essentials
    3. 6.2 Designing a Presentation in Microsoft PowerPoint
    4. 6.3 Formatting Microsoft PowerPoint Slides: Layout and Design Principles
    5. 6.4 Adding Visuals and Features to Microsoft PowerPoint Slides
    6. 6.5 Designing a Presentation in Google Slides
    7. 6.6 Creating Google Slides: Layout and Text
    8. 6.7 Adding Visuals and Features to Google Slides
    9. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  8. 7 Advanced Presentation Skills
    1. Chapter Scenario
    2. 7.1 Effective Presentation Skills
    3. 7.2 Finalizing a Slide Collection
    4. 7.3 Preparing a Microsoft PowerPoint Collection for Presentation
    5. 7.4 Preparing a Google Slides Collection for Presentation
    6. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  9. 8 Content Management Systems and Social Media in Business
    1. Chapter Scenario
    2. 8.1 What Are Content Management Systems?
    3. 8.2 Common Content Management Systems
    4. 8.3 Creating Content with a Content Management System
    5. 8.4 Search Engine Optimization
    6. 8.5 Social Media in Business
    7. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  10. 9 Working with Spreadsheets
    1. Chapter Scenario
    2. 9.1 Microsoft Excel Basics
    3. 9.2 Text and Numbers in Microsoft Excel
    4. 9.3 Calculations and Basic Formulas in Microsoft Excel
    5. 9.4 Formatting and Templates in Microsoft Excel
    6. 9.5 Google Sheets Basics
    7. 9.6 Text and Numbers in Google Sheets
    8. 9.7 Calculations and Basic Formulas in Google Sheets
    9. 9.8 Formatting and Templates in Google Sheets
    10. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  11. 10 Advanced Excel Formulas, Functions, and Techniques
    1. Chapter Scenario
    2. 10.1 Data Tables and Ranges
    3. 10.2 More About Formulas
    4. 10.3 Using Arithmetic, Statistical, and Logical Functions
    5. 10.4 PivotTables
    6. 10.5 Auditing Formulas and Fixing Errors
    7. 10.6 Advanced Formatting Techniques
    8. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  12. 11 Advanced Excel Spreadsheets: Statistical and Data Analysis
    1. Chapter Scenario
    2. 11.1 Understanding Data, Data Validation, and Data Tables
    3. 11.2 Statistical Functions
    4. 11.3 What-If Analysis
    5. 11.4 PivotTables/Charts
    6. 11.5 Data Analysis Charts
    7. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  13. 12 Using Excel in Accounting and Financial Reporting
    1. Chapter Scenario
    2. 12.1 Basic Accounting
    3. 12.2 Financial Functions in Microsoft Excel
    4. 12.3 Integrating Microsoft Excel and Accounting Programs
    5. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  14. 13 Understanding and Using Databases
    1. Chapter Scenario
    2. 13.1 What Is a Database?
    3. 13.2 Microsoft Access: Main Features and Navigation
    4. 13.3 Querying a Database
    5. 13.4 Maintaining Records in a Database
    6. 13.5 Creating Reports in Microsoft Access
    7. 13.6 Creating Forms in Microsoft Access
    8. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  15. 14 Advanced Database Use
    1. Chapter Scenario
    2. 14.1 Advanced Queries in Microsoft Access
    3. 14.2 Multiple Table Forms
    4. 14.3 Customizing Forms
    5. 14.4 Customizing Reports
    6. 14.5 Using Macros
    7. 14.6 Data Analysis and Integration
    8. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
      6. Case Exercises
  16. 15 Integrating Applications
    1. Chapter Scenario
    2. 15.1 Microsoft 365: Collaboration and Integration
    3. 15.2 Microsoft Word: Integration with Microsoft Excel and Microsoft Access
    4. 15.3 Microsoft Word and Microsoft PowerPoint Integration
    5. 15.4 Microsoft Excel and Microsoft PowerPoint Integration
    6. 15.5 Microsoft Excel and Microsoft Access Integration
    7. 15.6 Integrating Data from Other Programs into Google Workspace
    8. 15.7 New Developments: The Role of Artificial Intelligence
    9. 15.8 Mastering Workplace Software Skills: A Project
    10. Chapter Review
      1. Key Terms
      2. Summary
      3. Review Questions
      4. Practice Exercises
      5. Written Questions
  17. Index

Learning Objectives

By the end of this section, you will be able to:

  • Determine the most appropriate chart for a given dataset or analysis
  • Create a chart template
  • Use the Quick Analysis tool to add sparklines to a table

At some point in your career, you might need to present an analysis of data to an audience of peers or management. Your information must appear clear and professional and will likely include graphs and charts of your analysis. Recall that the theme and color choices of these elements can be critical to developing a professional presentation that will effectively and clearly communicate your intended message (see Preparing Presentations for a review of design strategies and tips).

You learned how to create graphs and charts in PivotTables. Some of those skills, such as using legends, adding gridlines, editing axis titles and labels, and including chart titles, will make for a professional presentation of the data. This section will discuss several types of charts and graphs and when they might be appropriate to use based on your dataset.

With data visuals, it is key that you select the type of chart or graph that works best for a particular dataset and makes the information easy to understand. You cannot simply select a graph or a chart based on its appearance. All types of graphs and charts are not appropriate for every dataset. As you decide which chart or graph to use, consider the type and level of data that you have (Table 11.3). You should also consider what kind of message you are trying to convey. Are you trying to inform, compare, show trends over time, or reveal relationships? Your purpose can dictate what type of chart you will use.

Purpose Appropriate Charts/Graphs
Comparisons Bar chart, pie chart, stacked bar chart, clustered column chart
Changes Line graph, area chart, timeline
Relationships Scatter plot, histogram, combo column/line chart
Table 11.3 Usage of Graphs and Charts

Clustered Column Chart

A clustered column chart is simply a column chart that includes multiple variables to show the comparison between the groups. A column chart compares one variable against another variable. For example, you might put the sales region on the horizontal axis and the total sales on the vertical axis. A clustered column would have that, but it would include the same data for multiple years of data. The clustered column chart is great for showing comparisons (Figure 11.85). Using the WorldCorp data, you can create a clustered column chart to see the comparisons between the quantity sold for each product type over time. A drawback of the clustered column chart is that it is not appropriate for large amounts of data. If you have more than five sets of data, the chart can look too busy and overwhelm your audience. The clustered column chart also works better with a 2D display rather than a 3D display. The 3D display can look too busy and can make it difficult to interpret the information easily.

Clustered chart displays February, March on x axis; # of Units on y axis, (0 to 800, increments of 200). Blue bars indicate Computer Servers and Accessories and red bars indicate home Stereo Systems.
Figure 11.85 A clustered column chart can show data for multiple products at the same time.

Combination Chart

A combination chart combines two different chart types in one visual, allowing you to display data at different levels on the same chart. You can use combination charts to understand and examine comparisons between groups and the relationship between different variables. With this example, a combination chart can be created to show the FOB $ for each month based on the quantity sold for each of the two product types. With the combination chart, you determine which chart is appropriate for each data series you are including. Figure 11.86 uses a column chart for quantity sold and a line graph for FOB $. Combination charts are often easier to interpret as 2D than as 3D. Consider using contrasting colors to make the plotted series more visible.

Combination chart displays bar chart with line chart in front.
Figure 11.86 Combination charts can be used to show different types of data on the same chart.

Stacked Column Chart

The stacked column chart compares data like the clustered column chart but displays it in a different format. It shows the relationship between groups using the same scales. Instead of the columns being next to each other, the data is stacked, one series on top of the other, in a single column. A stacked column chart can be used to show part-to-whole relationships. Using contrasting colors will help make the distinction between the groups more visible. Using one of the 3D options for displaying a stacked column chart can give it a professional appearance that is easy to interpret (Figure 11.87). This stacked column chart shows WorldCorp’s sales agents’ FOB $ during a three-week period.

A stacked column chart displays Weeks 1, 2, 3 along x axis and displays colored blocks stacked with figures inside for Agents in columns. Larger numbers represented by taller blocks.
Figure 11.87 A stacked column chart is a different way to display multiple series of data.

Bar Chart

A bar chart is a horizontal column chart. It is sometimes used to communicate complex datasets and can be easier to interpret in certain situations. Bar charts are effective for displaying negative and positive numbers together. They also work well for charts with long text labels along the y-axis because the labels are more readable when placed horizontally (Figure 11.88). You can create clustered and stacked bar charts to display multiple series in a single chart. Use a simple layout and contrasting colors for the most professional look. Like a clustered column chart, bar charts work best with smaller datasets. Too many bars on the chart can make it unreadable. Use a bar chart when you have ten or fewer categories to display. You can use WorldCorp data to construct a bar chart of the volume sold for four different sizes of televisions.

Bar chart is inserted into a spreadsheet reflecting the data from the spreadsheet.
Figure 11.88 Bar charts can be good for displaying complex sets of data. (Used with permission from Microsoft)

Line Chart

A line chart is used to show changes over time. It is appropriate for trend analysis and graphing continuous datasets. Line charts are not appropriate for categorical data. Be careful of the scaling of the axis so as to not overemphasize or deemphasize the trend in either the vertical or horizontal directions. Keep the chart to four lines or fewer for the most effective presentation of the material, and use thicker, solid lines rather than thin lines or dotted/dashed lines. Be sure to include a legend if you are plotting more than one series of data (Figure 11.89). Also consider including data markers on the lines to make interpretation clearer. The 3D line chart is difficult to interpret even with a single line; the 2D line chart presents data more clearly. You can examine the changes in sales for Home Stereo Systems at WorldCorp for the month of March with a line chart. Adding gridlines or data labels can help your audience quickly see values at certain points in time.

Line chart (March 2021 Home Stereo System Sales) displays dates on x axis and monetary amounts from $0.00 to $50,000.00 on y axis in increments of $5,000.00. A line increases and decreases in cycles.
Figure 11.89 A line chart can be used to show changes over time.

Real-World Application

Misleading Graphs

Earlier, you learned the importance of accurately representing data in a chart to prevent misinterpretation of the information. When you are presenting charts and graphs as opposed to the actual data, special care should be taken to make sure the data representation is valid. By adjusting the scaling on either axis, you can drastically change the interpretation of the information presented in a chart. Take a look at this article on how mistakes have been made in representing data to learn more. Now select one chart represented in the preceding link and re-create the chart so that it is not misleading, and then answer the following questions:

  • What was the major issue(s) with the selected chart?
  • What are some of the incorrect conclusions drawn from the chart?
  • What adjustments did you make? How does it more accurately reflect the information?

Scatter Chart

A scatter chart or scatter plot shows the relationship between two variables. It is often used as part of a regression analysis, and it easily shows the direction of the slope of the line (Figure 11.90). A positive slope indicates a positive correlation between the variables, and a negative slope indicates a negative correlation. A positive slope is when the two variables move in the same direction. The chart of data will have a line that moves from the lower-left to the upper-right corner. A negative slope means the variables move in opposite directions. The chart of a negative slope will start in the upper-left corner and move down toward the lower-right corner of the chart. If the chart is relatively flat, meaning a near 0 slope, then there is little relationship between the two variables. The scatter plot for FOB $ versus Quantity Sold show a slight positive (upward) trend in the data.

Scatter chart (FOB$ vs. Qty Sold) displays number of units on x axis and monetary amounts on y axis. Dots are scattered throughout the graph in various locations representing the data.
Figure 11.90 A scatter chart is used in regression analysis.

A scatter chart can show if a relationship exists. It does not provide a quantitative measure of the relationship between the two variables; it simply shows the estimated relationship. In a scatter plot, the data points are not connected. Instead, it uses the data points only and then, if desired, you can add in a best fit regression line to examine the information more closely (Figure 11.91). If the data points are clustered around the best fit regression line, the relationship is strong. If the data points are scattered and show little to no discernible pattern around the fitted regression line, the relationship is weak. When you add the trendline to the previous scatter plot, you can see that the data points are not clustered around that trendline. Instead, they are quite spread out. This is a visual indication that the variables (FOB $ and Quantity Sold) are not strongly connected to each other.

Scatter chart (FOB$ vs. Qty Sold) displays number of units on x axis and monetary amounts on y axis. Dots are scattered throughout the graph in various locations representing the data. Trend line added.
Figure 11.91 Adding a trendline gives a visual representation of the strength of the relationship between two variables.

Histogram

A histogram represents a single variable at various levels/ranges for that variable. With a histogram, a dataset is condensed into categories for a quick analysis of the distribution of the data (Figure 11.92). It is the visual representation of a histogram table. Histograms can represent discrete or continuous data, such as the distribution of customers. They are used frequently for a quick assessment of a dataset and to visually convey large datasets in an easy-to-understand format. They readily show outliers or gaps in information. The process of creating histograms was covered in more detail in Histograms.

Histogram (WorldCorp Computer Accessories Sales 1st Quarter) Units Sold with numbers on x axis and Frequency with numbers on y axis. Bars on the graph with different heights represent the information.
Figure 11.92 A histogram is a visual representation of a histogram table.

Stock Chart

Stock charts are used to represent market data to show the highs and lows for stocks. They can also be used in quality control to show the range of data on a certain day or shift for a production process. To create a stock chart, you will need a date or time reference and the high values and low values for that date or time. The horizontal axis will be the span of time and the vertical axis will be dollars, in the case of a stock market chart. It could be another measure if you are using the stock chart for quality control purposes (Figure 11.93).

Stock chart displays High Low Close with dates on x axis; numbers from 29,000.00 to 38,000.00 on y axis. Short and long vertical lines populate graph in various locations representing information.
Figure 11.93 A stock chart shows the changes in stock prices over time.

Chart Template

If you are creating the same type of chart on a regular basis, creating a chart template will save time. You can save features, themes, colors, and formats as a template that you can use with other data files. To begin, create the chart as you would normally create it. Add the desired customization to the chart. This could include formatting the chart with company colors or including the company logo as a watermark in the chart. When you are finished, right-click on the chart you just created and formatted (Figure 11.94). Choose Save As Template. You will then be prompted to enter a name for the chart template you just created (Figure 11.95). Consider a name for the template that will help identify the template’s use. Make sure the type is listed as Chart Template Files. Input a name and click Save.

Save as Template is selected from a menu. A Clustered Column Chart representing information highlighted from the spreadsheet in the background is visible.
Figure 11.94 If you use a chart format and design on a regular basis, it might be easier to save it as a template for future use. (Used with permission from Microsoft)
Save Chart Template pane displays options for File Name: Chart1 and Save as type: Chart Template Files.
Figure 11.95 Remember to give it a file name and that the Save as file type is a chart template file. (Used with permission from Microsoft)

To access the saved template, go to the Insert tab and choose Recommended Charts (Figure 11.96). Then, select All Charts and Templates. The saved template should be listed, and you can select that template to apply to the new dataset. Click on the template, then click OK, and Excel creates the chart based on your new dataset.

Insert Chart pane selects Templates from left menu. All Charts is highlighted and My Templates displays a colorful Chart.
Figure 11.96 Chart templates are found under All Charts, then choose Templates. (Used with permission from Microsoft)

Quick Analysis Tool

The Quick Analysis tool provides a shortcut to analyzing a dataset with a group of options located in one place for ease of use. You can use these options to add formatting, to automatically insert totals and subtotals, or to add sparklines to your Data Table. There are three ways to access the Quick Analysis tool. If you highlight the Data Table you are interested in analyzing, the Quick Analysis tool icon will appear in the lower right of the selection (Figure 11.97). You can also use Ctrl+Q or right-click on a cell inside the dataset and select Quick Analysis from the menu that appears.

A spreadsheet of information is selected and an arrow points to a small square icon located at the bottom right of the data with a lightning bolt inside.
Figure 11.97 The Quick Analysis tool can be used to add sparklines to the Data Table. (Used with permission from Microsoft)

When you access the tool, a menu of options appears (Figure 11.98). Choose the appropriate tab and click on the option you want to use.

Formatting tab is selected. Options listed: Data Bars, Color Scale, Icon Set, Greater Than, Top 10%, and Clear Format. Bottom reads, Conditional Formatting uses rules to highlight interesting data.
Figure 11.98 There are various formatting options in the Quick Analysis tool. (Used with permission from Microsoft)

Formatting

The Formatting options in the Quick Analysis tool will insert conditional formatting based on the criteria you select. You can also access these options through the Home tab in the Styles command group. Select the drop-down menu next to the Conditional Formatting button. Conditional Formatting provided more detail on using conditional formatting for data. For formatting graphs and charts, there are a few options to choose from under the Conditional Formatting menu, and you can stack the formatting options upon each other. For example, you can choose to have both the Data Bars and Icon Set displayed in your table at the same time. You can add data bars into the selected cells, and they will appear on top of the values and will be appropriately sized for the data in that cell (Figure 11.99). You can format the bars through the Conditional Formatting menu on the Home tab. To remove the data bars, click on Clear Format on the far right of the Format tab in the Quick Analysis tools. You can also clear the formats by choosing the Clear Rules option in the Conditional Format menu on the Home tab.

In the spreadsheet of data, column E is labeled FOB$ and lists monetary values. Horizontal bars are shown in various lengths in the column over the data.
Figure 11.99 Data bars provide a visual representation of the magnitude of the data in a cell in relation to the other cells. (Used with permission from Microsoft)

The Color Scale option adds colors to the cells based on the values relative to each other. There are several different color scales you can choose. For example, one color scale uses blues to represent the higher values and reds to represent the lower values in the dataset (Figure 11.100). Again, to remove the colors, click on Clear Formats in the Quick Analysis tools or Clear Rules under Conditional Formatting.

In the spreadsheet of data, Column D is labeled Quantity and lists numeric data. Various colors highlight the data.
Figure 11.100 Color scales are colors added to the cells based on the values relative to each other. (Used with permission from Microsoft)

Icon sets are a more visual way to see differences between the values in a dataset (Figure 11.101). The default icon is an arrow that is either red, yellow, or green based on the value in the cell. The icon can be changed by accessing the Conditional Formatting menu on the Home tab.

Column D in spreadsheet is labeled Quantity and lists numeric data. Icons of red arrows pointing down and blue arrows pointing up are visible on left sides of data in cells.
Figure 11.101 Adding an icon set is yet another way to visually examine the differences within a dataset. (Used with permission from Microsoft)

The Greater Than option in the Quick Analysis tools will highlight data that is greater than the value you set (Figure 11.102). You set this value in the input window, choose the color scheme for the highlighted cells that meet the criteria, and then click OK. Using the default color scheme, the cells that are greater than the value you set will be highlighted with a light red fill and a dark red text.

Greater Than pane displays option for Format cells that are GREATER THAN (15) with Light Red Fill with Dark Red Text. OK (selected) and Cancel buttons are located at the bottom right.
Figure 11.102 Using Greater Than, data that is outside the criteria you select is highlighted. (Used with permission from Microsoft)

The final option in the Formatting tab of the Quick Analysis tools is the Top 10% tool. This tool highlights the values that are in the top 10 percent in the dataset. The default is to highlight those with light red fill and dark red text. This can be changed as desired (Figure 11.103).

In the spreadsheet of data, cells D7 and E6 are highlighted light red with dark red text.
Figure 11.103 The Top 10% tool is helpful to quickly see the top values in a dataset. (Used with permission from Microsoft)

Charts

The Quick Analysis tools give you the option to quickly insert a chart of the data (Figure 11.104) using the Charts tab. The chart will be inserted directly on the worksheet using the default color schemes. After you have created the chart, you can choose to customize it to meet your needs using the skills you have already learned. You can access charts not listed specifically by clicking on More Charts.

Charts tab selected. Options include Line (selected), Clustered Column, Stacked Area, Stacked Column, Scatter, and More Charts. Recommended Charts help you visualize data. reads across the bottom.
Figure 11.104 The Quick Analysis tool allows you to easily access several charting options. (Used with permission from Microsoft)

Totals

The Totals tab in the Quick Analysis tool gives you several options for summarizing your dataset. You can access the same options through the Formulas tab, but the process is much simpler through the Quick Analysis tool (Figure 11.105a). You can include the total of data (sum), average, count, percent of total, and running total. These options are available for both columns and rows. To access the additional formulas, click on the small arrow to the right of the window. With any of the options, the result of the formula will be included in your Data Table as another row or column (Figure 11.105b).

(a) Totals tab selected. Options: Sum (selected), Average, Count, % Total, Running, Sum. Small arrow (>) is highlighted. (b) Cells D11 (7304) and E11 ($199,626.00) in spreadsheet are indicated.
Figure 11.105 The Quick Analysis tool tab gives several ways to summarize the dataset. (a) The Totals tab has many options; more tools are available if you click on the arrow. (b) Adding the sum of a column inserts a new row with the total. (Used with permission from Microsoft)

Sparklines

One way to show trends in your data is to use a sparkline, a small chart inserted into a cell next to your data that shows changes over time. There are three options in the Sparklines tab: Line, Column, and Win/Loss (Figure 11.106). These can also be accessed through the Insert menu in the Sparklines command group.

Sparklines tab selected. Options: Line (selected), Column, and Win/Loss. Across the bottom reads, Sparklines are mini charts placed in single cells.
Figure 11.106 Sparklines are another option to add visual interest to your Data Table. (Used with permission from Microsoft)

By default, sparklines are inserted at the end of each row. Once the sparkline is inserted, you have access to the Sparkline formatting tab. Here, you can format the sparkline’s style, change the input data, or change the type of sparkline. You can also add markers to the sparkline to show the highest and lowest points. In Figure 11.107, the Line sparkline was inserted. With just a quick glance, you can see that Antonio had the most sales in week two but did not do as well in week three, whereas Izabelle and James improved consistently.

Sparkline tab selected. Line is selected in Type command group and line colors are visible in Styles command group. Column E in spreadsheet displays various colored lines.
Figure 11.107 There are several design options for Sparklines. (Used with permission from Microsoft)
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