Excel Practice Test

Understanding the different types of charts in Excel is one of the most valuable analytical skills you can develop, because raw numbers in a worksheet rarely tell a story on their own. Excel ships with more than seventeen built-in chart families, ranging from the everyday column and pie charts that appear in quarterly reports to specialized visualizations like sunbursts, treemaps, waterfall charts, and box-and-whisker plots. Each chart type is engineered to answer a specific analytical question, and picking the wrong one can distort your message just as badly as a wrong formula.

This guide walks through every major chart category in Excel 365, Excel 2021, and Excel 2019, explaining when to use each, what data shape each one expects, and the common mistakes that lead to misleading visuals. We will look at categorical comparisons, time-series trends, part-to-whole relationships, distributions, correlations, hierarchies, and flows. By the end you should be able to glance at any dataset and know within seconds which chart type will communicate the pattern most honestly to your audience.

Charts are also closely tied to the rest of Excel's data toolkit. A pivot chart, for example, is just a pivot table rendered visually, and any change to the underlying pivot updates the chart automatically. Likewise, dynamic ranges built with formulas like vlookup excel lookups, OFFSET, or the newer FILTER function can feed charts that resize themselves as data arrives. Knowing how to combine these features lets you build dashboards that update with a single refresh rather than requiring manual chart edits every month.

For US-based analysts, finance teams, consultants, and students preparing for certification exams, fluency with Excel charts is effectively job-required. Hiring managers expect candidates to know not only how to insert a chart but also how to choose between a clustered column and a stacked column, when a logarithmic axis is appropriate, and how to add secondary axes for mixed units. These choices separate competent users from genuinely strong analysts.

We will also cover the practical mechanics that beginners often skip: selecting the right source range, using Recommended Charts as a starting point, swapping rows and columns, editing the legend, formatting axis labels, applying number formats, and saving custom chart templates so your branding stays consistent across reports. Small formatting decisions like gridline weight, font choice, and color palette have an outsized effect on how trustworthy your chart looks.

Finally, this article includes practice questions, quick-reference checklists, and FAQs so you can test your understanding. Charts are best learned by building them, so we recommend opening Excel alongside this guide and recreating each example with your own numbers. By the end you will have a working mental library of chart types that you can deploy with confidence in any business setting, from a board-level presentation to a one-page operational dashboard pinned to a team SharePoint.

Excel Charts by the Numbers

📊
17+
Built-in Chart Families
🎨
73
Sub-Chart Variants
⏱️
30 sec
Average Insert Time
📈
1M+
Data Points Per Series
🎯
85%
Reports Using Charts
Test Your Skills on Types of Charts in Excel

Chart Categories at a Glance

📊 Comparison Charts

Column, bar, and clustered variants compare values across categories. Use when the audience needs to rank items or spot the largest or smallest entry quickly without studying the chart.

📈 Trend Charts

Line, area, and sparkline charts show how a metric evolves over time. Ideal for revenue, traffic, temperature, and any continuous variable measured at regular intervals over weeks, months, or years.

🥧 Composition Charts

Pie, doughnut, stacked bar, and treemap charts reveal part-to-whole relationships. Best when you have fewer than seven slices and want to emphasize proportion rather than precise numeric comparisons.

📉 Distribution Charts

Histogram, box-and-whisker, and Pareto charts illustrate how values are spread. Statisticians, quality engineers, and data analysts rely on these to identify outliers, skew, and central tendency.

🎯 Relationship Charts

Scatter and bubble charts plot two or three numeric variables to expose correlations. Used heavily in scientific reporting, marketing mix analysis, and any context where you want to test if X drives Y.

Column and bar charts are the workhorses of Excel visualization, and most reports you encounter in a US workplace will lean on them. A clustered column chart places categorical values along the horizontal axis and numeric values vertically, making it easy to compare quarterly revenue across product lines or test scores across schools. A bar chart is the same idea rotated ninety degrees, which is preferable when category labels are long, because horizontal text is easier to read than rotated vertical text. Choose based on label length, not aesthetics.

Stacked and 100% stacked variants extend this idea by showing composition within each category. A stacked column reveals both total sales and the contribution of each region, while a 100% stacked column normalizes every bar to the same height so you can compare regional mix even when totals differ wildly. Use 100% stacked when proportion matters more than magnitude, but warn your reader explicitly because losing the absolute scale can mislead anyone who skims the chart without reading the axis.

Line charts are the default choice for time-series data. Every point on the horizontal axis represents an ordered moment, and connecting them with a line emphasizes the trajectory rather than the individual values. Excel supports straight, smoothed, and stepped lines, and you can add markers to highlight specific data points such as month-end closes. Avoid line charts for non-continuous categories like product names, because the connecting line implies a relationship between adjacent points that does not actually exist.

Area charts are line charts with the region beneath the line filled in, useful when you want to emphasize cumulative volume rather than the precise value at each point. Stacked area charts work like stacked columns, showing how multiple series contribute to a total across time. They get visually noisy beyond four or five series, so for crowded datasets switch to a small-multiple layout where each series gets its own miniature chart on a grid.

Combo charts let you mix chart types and assign series to a secondary axis, which is essential when your metrics have different units. A classic example is plotting revenue as columns against profit margin as a line, with revenue on the left axis in dollars and margin on the right axis as a percentage. Excel's Recommended Charts often suggests combo layouts automatically when it detects mixed magnitudes, and you should always double-check the axis assignments before publishing.

Pivot charts deserve a special mention because they sit on top of pivot tables and inherit all the filtering, drilling, and grouping features. You can build a single pivot chart and then use slicers to let stakeholders explore the data themselves. When the underlying source is connected through Power Query, the entire chart refreshes with one click, which is why finance and operations teams have adopted pivot-chart-based dashboards as a standard reporting pattern across most US enterprises.

Finally, sparklines are tiny single-cell charts introduced in Excel 2010 that pack a trend, column, or win-loss visual into the height of a single row. They are perfect for dashboard tables where each row represents a product, region, or employee, and you want a quick visual cue beside the numeric KPIs. Combined with conditional formatting and lookups such as remove duplicates excel routines applied to the source data, sparklines make dense executive summaries readable at a glance.

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Part-to-Whole Charts and How to Create a Drop Down List in Excel for Chart Filtering

📋 Pie Charts

Pie charts split a circle into wedges that sum to one hundred percent, making them the most recognized way to communicate composition. They work best with five or fewer slices, ordered from largest to smallest, with one slice optionally exploded to draw attention. Beyond seven slices the human eye struggles to compare wedge angles accurately, so switch to a bar chart sorted by value if you have more categories.

Common mistakes include using a 3D pie which distorts perceived proportions, mixing positive and negative values, and using a pie chart for time-series data. Pie charts are static snapshots; if you need to show how proportions change over time, use a 100% stacked column or stacked area chart instead. Always label each slice with both category and percentage so the reader does not have to map colors back to a legend.

📋 Doughnut Charts

Doughnut charts are pies with a hole in the middle, and the empty center is genuinely useful real estate. Place a large KPI number or icon in the middle and use the ring to show its composition. Excel allows multiple concentric rings in a single doughnut, which lets you compare two periods or two segments side by side without inserting two separate pies.

Power Users often pair a doughnut chart with how to create a drop down list in excel via data validation, so the chart redraws when the user selects a different category. Combine the dropdown with INDEX or CHOOSE formulas that feed the chart series, and you have a single-click interactive visualization without writing any VBA. This pattern is common in finance dashboards where one chart needs to serve many product lines.

📋 Treemaps and Sunbursts

Treemaps display hierarchical data as nested rectangles whose area is proportional to the value, introduced in Excel 2016. They excel at showing the relative size of categories and subcategories simultaneously, such as revenue by region and then by city within each region. Color coding the rectangles by a secondary measure like growth rate adds a second analytical dimension without cluttering the chart.

Sunburst charts are the radial equivalent, with the root category in the center and successive levels radiating outward. They feel more elegant in slide decks but are slightly harder to read precisely because angular comparisons are less intuitive than rectangular ones. Choose treemap for analytical precision and sunburst for visual impact in executive presentations where storytelling outweighs millimeter accuracy.

Pie Charts vs Bar Charts: When to Use Each

Pros

  • Pie charts make part-to-whole relationships instantly recognizable to non-technical audiences
  • Bar charts allow accurate comparison even when values are very close together
  • Pie charts work well with three to five categories that have visually distinct proportions
  • Bar charts handle long category labels without rotating text or truncating names
  • Both chart types are universally supported across Office, Google Sheets, and PowerPoint exports
  • Bar charts can be sorted in descending order to act as a ranked Pareto-style view

Cons

  • Pie charts mislead when slices have similar sizes or when there are more than seven categories
  • Bar charts can feel monotonous in presentations compared to colorful pies and doughnuts
  • 3D pie charts distort proportions and should be avoided in formal business reporting
  • Bar charts need extra formatting work to highlight the most important data point
  • Pie charts cannot show negative values, growth comparisons, or time-series progressions
  • Stacked bar charts can become hard to read when too many series are layered together
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Chart Selection Checklist for Every Excel Report

Identify the analytical question your audience is trying to answer before choosing a chart type
Match the chart family to the data shape: categorical, time-series, distribution, or relationship
Limit pie and doughnut charts to fewer than seven categories to preserve readability
Use a bar chart instead of a column chart whenever category labels are longer than two words
Add a secondary axis only when units differ significantly between series, never just for variety
Sort bar chart categories by value unless natural ordering like months or quarters applies
Apply consistent color coding across all charts in the same report or dashboard
Format axis numbers with thousands separators, currency symbols, or percent signs as appropriate
Title the chart with the insight, not the data, so readers learn what to take away
Remove chart junk such as heavy gridlines, 3D effects, and unnecessary legends before publishing
The chart type IS the message

Choosing a chart type is not a cosmetic decision, it is an analytical one. A clustered column emphasizes ranking, a line emphasizes momentum, a pie emphasizes share, and a scatter emphasizes correlation. Pick the chart that matches the conclusion you want the reader to reach, and you will spend far less time explaining your slides.

Beyond the everyday charts, Excel offers a suite of advanced and statistical visualizations that handle specialized analytical scenarios. Scatter and bubble charts plot two or three numeric variables and are the only chart types that treat both axes as fully numeric, which makes them ideal for testing correlation between marketing spend and revenue, salary and tenure, or any pair of measurements where neither value is a category. The optional third bubble dimension lets you encode a magnitude like market size into the dot diameter.

Histograms group continuous data into bins and plot the frequency of each bin, revealing the shape of a distribution. Excel 2016 and later include a native histogram chart that automatically calculates bin widths, but you can also override the bin width to match your domain knowledge. Histograms are essential in quality control, finance, and any context where you need to understand whether your data is normally distributed, skewed, or multimodal before applying statistical tests.

Box-and-whisker plots, also called boxplots, summarize a distribution using five numbers: minimum, first quartile, median, third quartile, and maximum, plus optional outliers. They let you compare distributions across multiple categories on a single chart, which is invaluable when you want to see whether one factory produces more consistent output than another or whether one curriculum yields tighter test-score distributions than its alternatives.

Waterfall charts decompose a starting value into a sequence of increases and decreases, ending with a final value. Finance teams use them for income statement walkthroughs that show how revenue becomes operating profit after deducting cost of goods, marketing, and overhead. Excel 2016 added a native waterfall chart that handles subtotals correctly, eliminating the messy stacked-column hacks people used to build manually before the feature shipped.

Funnel charts visualize stages of a conversion process, with each successive stage narrower than the one above it. Sales pipelines, recruiting pipelines, and marketing funnels are typical applications. The chart makes drop-off rates visually obvious, although you should still annotate the percentage retained at each step because the eye is poor at estimating ratios from trapezoidal areas alone.

Radar charts, also known as spider charts, plot multiple variables on axes that radiate from a central point. They are popular for skills assessments, product feature comparisons, and balanced-scorecard presentations. Be cautious, however, because radar charts can exaggerate small differences and connecting the dots implies an ordering among the axes that may not exist. Use them when the metaphor of a profile or shape is genuinely useful, not just because they look impressive.

Map charts, available in Excel 365, plot values onto geographic regions using Bing Maps integration. Filled-region maps work well at country, state, or US county level, while bubble maps show individual locations sized by value. They are excellent for sales-by-region dashboards and store-density visualizations, but always include a clear legend and color scale because color perception varies between viewers and between display devices.

Formatting transforms a default Excel chart into a professional, publication-ready visual. Start by removing what you do not need: minor gridlines, the default chart border, and any legend that becomes redundant once you label series directly. Excel's default chart title is usually generic, so replace it with a sentence that tells the reader what the chart actually shows, such as Quarterly Revenue Grew 18 Percent in 2025. The title should be a takeaway, not a label.

Color choice matters more than people realize. Use a restrained palette of two or three colors, reserving bright accents for the data series you want to emphasize and muted grays for context series. Color-blind-safe palettes such as the Viridis or ColorBrewer schemes ensure your charts remain readable for roughly eight percent of male readers who have some form of color vision deficiency. Many US enterprises now require accessibility-checked palettes by default in regulated industries.

Number formatting on axes deserves explicit attention. Express revenue in thousands or millions rather than raw dollars, format percentages to a single decimal, and align decimal points across data labels for visual stability. Excel applies the source-cell number format to axis labels by default, which means a quick how to merge cells in excel cleanup of your source range or a simple format-cells adjustment can fix a sloppy-looking chart in seconds without touching the chart itself.

Data labels reduce cognitive load by placing values directly on bars, points, or slices. Avoid labeling every point on a dense line chart, however, because the result becomes cluttered. Instead, label only the first and last point, the maximum, the minimum, and any callouts you want to draw attention to. For pie and doughnut charts, label each slice with both category and percent so readers do not need to consult the legend.

Save your tuned chart as a template by right-clicking the chart and choosing Save as Template. The template is stored in your user Charts folder and appears under the Templates category in future Insert Chart dialogs. This is the simplest way to enforce brand consistency across a team, and it scales much better than manually reformatting every chart in every workbook.

Finally, build dynamic charts that resize automatically as your data grows. Convert your source range into an Excel Table using Ctrl+T, then base your chart on the table. New rows added to the table are picked up by the chart on the next refresh, eliminating the most common cause of broken dashboards. Combine this with named ranges, structured references, and pivot caches for charts that genuinely maintain themselves with zero ongoing effort.

Performance matters too when datasets get large. Charts with hundreds of thousands of data points can slow Excel noticeably, so consider aggregating data with a pivot table or Power Query step before plotting, sampling representative points for time-series visualization, or switching to Power BI when you cross into millions of rows. Excel charts are excellent up to a point; recognizing that boundary keeps your reports fast and your audience attentive.

Sharpen Your Excel Formula Skills for Dynamic Charting

Putting all of this into practice starts with a deliberate workflow. Before inserting any chart, pause and write down the single sentence you want your reader to walk away with. That sentence should mention the metric, the comparison, and the direction or magnitude of the finding. Once the sentence exists, the right chart type usually selects itself: comparisons go to bar charts, trends go to lines, compositions go to pies or stacked bars, and relationships go to scatter charts. Skipping this step is the most common reason analysts spend hours iterating on visuals.

Next, prepare your source data carefully. Excel charts respect the structure of the underlying range, so a well-organized table with headers, consistent data types, and no merged cells will produce a clean chart on the first attempt. Use named ranges or Excel Tables to make the source self-documenting, and apply how to freeze a row in excel techniques on your worksheet so the header row stays visible while you scroll, which makes editing easier without affecting the chart itself.

When you insert the chart, use Recommended Charts as a starting point rather than the blank Insert Chart dialog. Excel analyzes your data and suggests several appropriate chart types, often including configurations a beginner would not think to try. Even experienced analysts use Recommended Charts as a first pass because it surfaces combo and dual-axis options that take a few extra clicks to configure manually.

Iterate on formatting in passes rather than all at once. The first pass should resolve structure: axis assignments, series order, and chart type. The second pass should refine labels, titles, and number formats. The third pass should add color, emphasis, and any annotations or callout shapes. Treating formatting as separate stages prevents the common trap of fiddling with colors before the underlying chart actually communicates the right story.

For dashboards and recurring reports, invest in templates and reusable building blocks. Build a master workbook with example charts of each type pre-formatted to your brand standards, and copy from it whenever you start a new report. This reduces the formatting cost of every future chart from twenty minutes to thirty seconds and keeps your organization's visual language consistent across teams and quarters.

Practice is what cements chart fluency. Open a real dataset such as a public CSV of sales transactions, weather observations, or census data and challenge yourself to produce ten different chart types from the same source. Force yourself to articulate why each chart works or fails for the question you posed. Within a few sessions your intuition will sharpen to the point where chart selection becomes automatic in interviews, exams, and on the job.

If you are studying for an Excel certification or job interview, expect questions on chart selection logic, axis configuration, the difference between pivot charts and regular charts, and the steps required to build combo charts. Hands-on, scenario-based questions are increasingly common, so loading sample data and rebuilding each chart type from scratch is far more valuable than memorizing menu paths. The quizzes linked throughout this article are designed to simulate those scenarios.

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Excel Questions and Answers

How many types of charts are there in Excel?

Excel 365 and Excel 2021 include over seventeen chart families: column, bar, line, area, pie, doughnut, scatter, bubble, stock, surface, radar, treemap, sunburst, histogram, box-and-whisker, waterfall, funnel, combo, and map. Each family has several sub-variants, bringing the total to more than seventy distinct chart configurations, all accessible through the Insert tab on the ribbon.

Which chart type is best for showing trends over time?

Line charts are the standard choice for time-series data because the connecting line emphasizes the trajectory between consecutive points. For cumulative totals, use an area chart. For multiple metrics with different units, use a combo chart with a secondary axis. Avoid using bar or column charts for long time series, as they make it harder to perceive the overall trend.

When should I use a pie chart instead of a bar chart?

Use a pie chart only when you have fewer than seven categories and want to emphasize part-to-whole composition rather than precise comparison. If categories have similar values or you need exact ranking, switch to a sorted bar chart. Pie charts also fail for time-series and negative values, so reserve them for static snapshots of clearly distinct proportions.

What is a combo chart in Excel?

A combo chart combines two or more chart types in a single visual, typically pairing columns with a line and adding a secondary vertical axis. This is the standard way to display metrics with different units, such as revenue in dollars and margin as a percentage. Excel includes combo chart presets in the Insert Chart dialog under the Combo tab.

How do I create a pivot chart?

Click any cell in a pivot table, then go to PivotTable Analyze and choose PivotChart. Excel inserts a chart linked to the pivot, and any filter, slicer, or drill action on the pivot also updates the chart. Pivot charts inherit the row, column, and value structure of the pivot, so reorganize the pivot first and the chart follows automatically.

Can Excel charts update automatically when data changes?

Yes. Convert your source range into an Excel Table using Ctrl+T, then base your chart on the table. New rows added to the table are picked up automatically. You can also use dynamic named ranges with OFFSET or INDEX, or build charts on top of pivot tables connected to Power Query so charts refresh with one click whenever new data arrives.

What is the difference between a histogram and a bar chart?

A histogram plots the frequency of continuous numeric values grouped into bins, with no gaps between the bars because the bins represent ranges. A bar chart plots categorical values with visible gaps. Histograms reveal distribution shape, central tendency, and skewness, while bar charts compare discrete categories. Choosing incorrectly will mislead readers about whether the data is categorical or continuous.

How do I add a secondary axis to my chart?

Right-click the series you want on the secondary axis, choose Format Data Series, and select Secondary Axis under Series Options. Alternatively, insert a combo chart from the Insert Chart dialog and tick the Secondary Axis checkbox next to the relevant series. Always label both axes clearly so readers know which scale applies to which series.

What are sparklines in Excel?

Sparklines are tiny single-cell charts introduced in Excel 2010 that show a trend, column, or win-loss pattern within the height of one row. Insert them from the Insert tab under Sparklines. They are ideal for dashboard tables where each row needs a quick visual cue alongside numeric KPIs, and they update automatically when the source data changes.

Can I save my custom chart formatting as a template?

Yes. Right-click the chart and choose Save as Template. Excel saves the template as a .crtx file in your Charts folder. The next time you insert a chart, the template appears under the Templates category in the Insert Chart dialog. Templates preserve colors, fonts, axis settings, and series styles, making it easy to enforce consistent branding across reports.
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