Combo charts in Excel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a combo chart in Excel?

A combo chart combines two or more chart types (like column and line) in one chart to show different types of data together.

beginner

Why use a combo chart?

To compare different data sets that have different scales or types, making it easier to see relationships in one chart.

beginner

How do you create a combo chart in Excel?

Select your data, go to Insert > Combo Chart, then choose chart types for each data series and decide if any series uses a secondary axis.

intermediate

What is a secondary axis in a combo chart?

A secondary axis is an extra vertical axis on the right side of the chart used when data series have very different values.

beginner

Can you change the chart type of each data series in a combo chart?

Yes, each data series can have its own chart type, like one as a column and another as a line, to best show the data.

What does a combo chart allow you to do?

A Create only pie charts

B Combine different chart types in one chart

C Make charts with only one data series

D Automatically format tables

Combo charts let you mix chart types like columns and lines to show different data together.

When should you use a secondary axis in a combo chart?

A When you want to hide data

B When data series have similar values

C When data series have very different scales

D When you only have one data series

A secondary axis helps show data series with very different values clearly.

Which Excel menu do you use to insert a combo chart?

A Insert

B Data

C Review

D Formulas

You insert charts from the Insert menu in Excel.

Can you have a line and a column chart in the same combo chart?

A Yes

B No

C Only if data is text

D Only in older Excel versions

Combo charts allow mixing line and column charts together.

What is the main benefit of using a combo chart?

A To create 3D charts

B To make charts colorful

C To sort data automatically

D To show different data types clearly in one chart

Combo charts help compare different data types or scales in one view.

Explain how to create a combo chart in Excel step-by-step.

Think about the menu and options you use after selecting your data.

Describe why and when you would use a secondary axis in a combo chart.

Consider what happens when one data set is much bigger than another.

Practice

1. What is the main purpose of a Combo Chart in Excel?

easy

A. To display data in a pie chart format

B. To combine two or more different chart types in one chart

C. To create a chart with only one data series

D. To sort data automatically in a table

Solution

1. Step 1: Understand what a combo chart is

   A combo chart combines different chart types like column and line in one chart to show related data.

2. Step 2: Identify the correct purpose

   Since combo charts mix chart types to compare data sets, To combine two or more different chart types in one chart matches this purpose.

3. Final Answer:

   To combine two or more different chart types in one chart -> Option B

4. Quick Check:

   Combo chart = mix chart types [OK]

Hint: Combo charts mix chart types to compare data sets [OK]

Common Mistakes:

• Thinking combo charts only show one data series
• Confusing combo charts with pie charts
• Assuming combo charts sort data automatically

2. Which Excel menu path correctly leads you to create a combo chart?

easy

A. Data > Sort & Filter

B. Formulas > Insert Function

C. Insert > Combo Chart

D. Review > Protect Sheet

Solution

1. Step 1: Recall where combo charts are created

   Combo charts are created from the Insert tab in Excel, under the Combo Chart option.

2. Step 2: Match the correct menu path

   Insert > Combo Chart shows the correct path: Insert > Combo Chart.

3. Final Answer:

   Insert > Combo Chart -> Option C

4. Quick Check:

   Insert tab > Combo Chart [OK]

Hint: Combo charts are under Insert tab in Excel [OK]

Common Mistakes:

• Looking under Data or Formulas tabs
• Confusing chart creation with sorting or filtering
• Trying to find combo charts in Review tab

3. Given sales data for two products over 3 months, which combo chart type best shows Product A as columns and Product B as a line?

medium

A. Column for Product A and Line for Product B

B. Pie chart for both products

C. Line chart for Product A and Pie chart for Product B

D. Scatter plot for both products

Solution

1. Step 1: Understand combo chart types

   Combo charts combine different chart types, like columns and lines, to compare data sets clearly.

2. Step 2: Match chart types to products

   Product A as columns and Product B as a line fits Column for Product A and Line for Product B. Pie and scatter charts do not combine well here.

3. Final Answer:

   Column for Product A and Line for Product B -> Option A

4. Quick Check:

   Combo chart = column + line [OK]

Hint: Use column + line combo to compare two products [OK]

Common Mistakes:

• Choosing pie charts which can't combine well
• Using scatter plots which don't show trends clearly
• Mixing line with pie charts incorrectly

4. You created a combo chart but the line series is not showing. What is the most likely error?

medium

A. The line series is not assigned to the secondary axis

B. The data range is empty

C. The chart type is set to pie for all series

D. The worksheet is protected

Solution

1. Step 1: Check combo chart setup

   In combo charts, line series often need to be on the secondary axis to display properly.

2. Step 2: Identify the missing line issue

   If the line series is not assigned to the secondary axis, it may not appear correctly, causing it to be invisible.

3. Final Answer:

   The line series is not assigned to the secondary axis -> Option A

4. Quick Check:

   Line series needs secondary axis [OK]

Hint: Assign line series to secondary axis to show it [OK]

Common Mistakes:

• Assuming empty data range is the cause without checking axis
• Setting all series to pie chart type
• Thinking worksheet protection hides chart series

5. You want to create a combo chart showing monthly revenue as columns and profit margin as a line on a secondary axis. Which steps should you follow?

hard

A. Select data > Data tab > Sort by revenue and profit margin

B. Select data > Insert > Pie Chart > Add profit margin as line

C. Select data > Insert > Line Chart > Change revenue to pie chart

D. Select data > Insert > Combo Chart > Set revenue as column, profit margin as line on secondary axis

Solution

1. Step 1: Choose correct chart insertion method

   Use Insert > Combo Chart to combine column and line charts for different data series.

2. Step 2: Assign chart types and axes

   Set revenue as columns and profit margin as line, assigning profit margin to the secondary axis for clarity.

3. Final Answer:

   Select data > Insert > Combo Chart > Set revenue as column, profit margin as line on secondary axis -> Option D

4. Quick Check:

   Combo chart with secondary axis for line [OK]

Hint: Use combo chart and assign line to secondary axis [OK]

Common Mistakes:

• Using pie charts which can't combine with lines
• Trying to sort data instead of creating chart
• Mixing chart types incorrectly