Example 2.22 from Statistics, 2.3 Measures of the Location of the Data

Measures of the Location of the Data: example 2.22

At a high school, it was found that the 30^th percentile of number of hours that students spend studying per week is seven hours. Interpret the 30^th percentile in the context of this situation.

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

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Solution
- Thirty percent of students study seven or fewer hours per week.
- Seventy percent of students study seven or more hours per week.
- In this example, there is not necessarily a good or bad value judgment associated with a higher or lower percentile, since the time a student studies per week is dependent on his/her needs.

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