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Percentiles divide a data set into how many equal parts?
A10 parts
B4 parts
C2 parts
D100 parts
Answer & Solution
Correct answer: D. 100 parts
1. Measures of location cut an ordered data set at fixed fractions.
2. Quartiles cut it into four parts.
3. In the same way, percentiles divide a data set into 100 equal parts.
4. The median is the special case that cuts it into two.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 2 'Descriptive Statistics', sections 2.1-2.7_
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