Geo charts and maps in Google Sheets - Practice Problems & Coding Challenges

Challenge - 5 Problems

📊 Formula Result

intermediate

Calculate Percentage for Geo Chart Data

You have a table with countries in column A and their sales numbers in column B. You want to add a column C that shows the percentage of total sales for each country to use in a Geo Chart. Which formula in cell C2 correctly calculates this percentage and can be dragged down?

Google Sheets

Country | Sales | Percentage
USA     | 100   | 
Canada  | 50    | 
Mexico  | 25    | 

A =B2/SUM(B$2:B$4)

B =B2/SUM(B2:B4)

C =B2/SUM($B$2:$B$4)

D =B2/SUM(B$2:B4)

💡 Hint

Use absolute references to fix the total sales range when copying the formula down.

The formula =B2/SUM($B$2:$B$4) uses absolute references for the total sales range, so when dragged down, the denominator stays the same, correctly calculating each country's percentage.

❓ Function Choice

intermediate

Choose the Correct Function to Format Country Names

You want to create a Geo Chart in Google Sheets, but your country names are in lowercase (e.g., "usa", "canada"). Which function should you use to convert the country names to proper case (first letter uppercase) in a new column?

A =PROPER(A2)

B =UPPER(A2)

C =CAPITALIZE(A2)

D =LOWER(A2)

💡 Hint

You want the first letter of each word capitalized, not all uppercase or lowercase.

The PROPER function capitalizes the first letter of each word, which is ideal for country names.

🎯 Scenario

advanced

Troubleshooting Geo Chart Display Issues

You created a Geo Chart in Google Sheets using country names and sales data. However, some countries are not highlighted on the map even though they have sales data. What is the most likely cause?

A The sheet is protected and prevents chart updates.

B Sales data contains zeros instead of positive numbers.

C The chart type selected is not Geo Chart.

D Country names are misspelled or not recognized by Google Sheets Geo Chart.

💡 Hint

Check if the country names match official country names exactly.

Geo Charts rely on recognized country names or codes. Misspelled or unrecognized names cause those countries not to appear highlighted.

❓ data_analysis

advanced

Analyzing Regional Sales with Geo Chart

You have sales data by US states in columns A (State) and B (Sales). You want to create a Geo Chart showing sales by state. Which data preparation step is necessary before creating the Geo Chart?

A Ensure state names are full official names (e.g., "California") or use two-letter state codes (e.g., "CA").

B Convert sales numbers to percentages of total sales.

C Sort the data alphabetically by sales amount.

D Remove any states with zero sales from the data.

💡 Hint

Geo Charts require location names or codes that Google Sheets recognizes.

Geo Charts need recognized location names or codes. Using official state names or standard two-letter codes ensures the map highlights states correctly.

🧠 Conceptual

expert

Understanding Geo Chart Color Scaling

In a Geo Chart showing sales by country, you notice that countries with very high sales overshadow countries with moderate sales, making the map hard to interpret. What is the best way to adjust the color scale to improve visibility of moderate sales?

A Increase the maximum value in the color scale to the highest sales number.

B Use a logarithmic scale for the color gradient to reduce the impact of very high values.

C Remove countries with the highest sales from the data set.

D Change the chart type to a bar chart instead of a Geo Chart.

💡 Hint

Think about how to make large differences in data less extreme visually.

Applying a logarithmic scale to the color gradient compresses large values, making moderate values more visible and improving overall map readability.

Practice

1. What is the main purpose of a Geo chart in Google Sheets?

easy

A. To calculate sums of numbers

B. To create pie charts from numerical data

C. To sort data alphabetically

D. To display data on a map based on location

Solution

1. Step 1: Understand Geo chart function

   A Geo chart visually shows data on a map using location information.

2. Step 2: Compare options

   Only To display data on a map based on location describes showing data on a map; others describe unrelated chart types or functions.

3. Final Answer:

   To display data on a map based on location -> Option D

4. Quick Check:

   Geo chart = map display [OK]

Hint: Geo charts always show data geographically on maps [OK]

Common Mistakes:

• Confusing Geo charts with pie or bar charts
• Thinking Geo charts sort data instead of mapping it

2. Which of the following is the correct way to insert a Geo chart in Google Sheets?

easy

A. Select data, then Insert > Chart, and choose Geo chart type

B. Type =GEOCHART() in a cell

C. Use Format > Geo chart

D. Right-click a cell and select Geo chart

Solution

1. Step 1: Recall Geo chart insertion method

   Geo charts are inserted via the menu: Insert > Chart, then select Geo chart type.

2. Step 2: Evaluate options

   Only Select data, then Insert > Chart, and choose Geo chart type correctly describes this process; others mention invalid methods or functions.

3. Final Answer:

   Select data, then Insert > Chart, and choose Geo chart type -> Option A

4. Quick Check:

   Insert > Chart > Geo chart = correct method [OK]

Hint: Use Insert menu to add Geo charts, not formulas [OK]

Common Mistakes:

• Trying to use a formula to create Geo charts
• Looking for Geo chart in Format menu

3. Given this data in columns A and B:
A1: Country
A2: USA
A3: Canada
B1: Sales
B2: 100
B3: 50
What will a Geo chart show when created from this data?

medium

A. A blank chart because data is incomplete

B. A bar chart comparing sales numbers

C. A map highlighting USA and Canada with sales values

D. A pie chart showing sales percentages

Solution

1. Step 1: Understand data structure

   Column A has country names, column B has sales numbers, suitable for Geo chart mapping.

2. Step 2: Predict Geo chart output

   The Geo chart will highlight USA and Canada on the map with sales values shown by color or size.

3. Final Answer:

   A map highlighting USA and Canada with sales values -> Option C

4. Quick Check:

   Country + number = Geo chart map [OK]

Hint: Geo charts need location names plus numbers to show data [OK]

Common Mistakes:

• Expecting bar or pie charts from Geo chart data
• Thinking Geo charts require more columns

4. You created a Geo chart but it shows no countries highlighted. What is the most likely cause?

medium

A. Data contains only numbers without locations

B. Location names are misspelled or unclear

C. Chart type is set to Bar chart

D. Sheet is protected and cannot display charts

Solution

1. Step 1: Identify common Geo chart issues

   Geo charts rely on correct location names; misspellings cause no highlights.

2. Step 2: Evaluate other options

   Chart type mismatch or missing locations also cause issues, but misspelled names are most common.

3. Final Answer:

   Location names are misspelled or unclear -> Option B

4. Quick Check:

   Correct location names = visible Geo chart [OK]

Hint: Check spelling of locations if Geo chart is blank [OK]

Common Mistakes:

• Ignoring location name spelling errors
• Assuming chart type is always correct

5. You want to create a Geo chart showing sales by US states. Your data has state abbreviations (e.g., CA, TX) in column A and sales numbers in column B. What should you do to ensure the Geo chart displays correctly?

hard

A. Replace state abbreviations with full state names

B. Add a column with country names next to states

C. Use only numbers without state names

D. Change chart type to Pie chart

Solution

1. Step 1: Understand Geo chart location requirements

   Geo charts often require full location names for accurate mapping, as abbreviations may not be recognized.

2. Step 2: Choose best data format

   Replacing abbreviations with full state names ensures the Geo chart can identify and highlight states correctly.

3. Final Answer:

   Replace state abbreviations with full state names -> Option A

4. Quick Check:

   Full names improve Geo chart accuracy [OK]

Hint: Use full location names, not abbreviations, for Geo charts [OK]

Common Mistakes:

• Using abbreviations that Geo chart can't recognize
• Adding unrelated columns instead of fixing names