A pie chart showing 80% yes and 20% no would look the same whether it was based on 10,000 observations or 10 observations.This is one way that pie charts can be deceptive.

Question

Quizplus · Accepted Answer

Pie charts represent proportions or percentages, not absolute values. As long as the percentages are the same, the chart will look the same regardless of how many observations were used to generate the percentages. This can be deceptive because the chart does not provide any information about the sample size or representativeness of the data.

A Pie Chart Showing 80% Yes and 20% No Would