FAQ: Statistical Thinking - Describing Categorical Variables

This community-built FAQ covers the “Describing Categorical Variables” exercise from the lesson “Statistical Thinking”.

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FAQs on the exercise Describing Categorical Variables

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Some of the proportions and percentages don’t look correct to me. For example, the “correct” proportion and percentage for vocals, according to the lesson, is .27 and 27%, respectively.

However, if you divide 262 (the number of vocalists) by 1000 (the total musicians), you get 0.262. Rounding 0.262 to 2 decimal places should result in 0.26, not 0.27, unless I missed something very important about rounding numbers when I first learned how to do it.