[Solved] Why should you avoid using pie charts when you have many categories in your data? — Ans: Because pie charts become hard to read with many slices | Power BI

Power BI - Basic Visualizations

Why should you avoid using pie charts when you have many categories in your data?

ABecause pie charts require complex calculations

BBecause pie charts become hard to read with many slices

CBecause pie charts can only show one data point

DBecause pie charts always show trends over time

Step-by-Step Solution

Solution:

Step 1: Understand pie chart limitations
Pie charts display parts of a whole, but too many slices make it cluttered and confusing.
Step 2: Relate to readability
When there are many categories, the slices become too small to distinguish, reducing clarity.
Final Answer:
Because pie charts become hard to read with many slices -> Option B
Quick Check:
Pie chart readability = Avoid many slices [OK]

Quick Trick: Use pie charts only for few categories [OK]

Common Mistakes:

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