Example 2.20 from Statistics, 2.3 Measures of the Location of the Data

Measures of the Location of the Data: example 2.20

On a timed math test, the first quartile for time it took to finish the exam was 35 minutes. Interpret the first quartile 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
- Twenty-five percent of students finished the exam in 35 minutes or less.
- Seventy-five percent of students finished the exam in 35 minutes or more.
- A low percentile could be considered good, as finishing more quickly on a timed exam is desirable. If you take too long, you might not be able to finish.

How did it go?

Solution

Solution