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Chapter 2: Q. 2.19 (page 94)

For the 100-meter dash, the third quartile for times for finishing the race was 11.5seconds. Interpret the third quartile in the context of the situation.

Short Answer

Expert verified

The 75th percentile 11.5seconds denotes seventy-five percent of runners finished the race in 11.5seconds or less and twenty-five percent of runners finished the race in11.5 seconds or more.

Step by step solution

01

Given

The third quartile for finishing times in the 100-meter dash was 11.5 seconds, according to the data.

02

Explanation

The partition values are the quartiles in statistics.
Thedataisdividedintofourequalsectionsusingquartiles.
The median is represented by the second quartile, and the data below this figure is worth $50percent of the total.
Similarly, the first quartile will contain 25%of the data below it and 75%of the data above it.
The data in the third quartile will be $75percent below it and $25percent above it.
The third quartile for the 100-meter dash is 11.5seconds in the provided scenario.
As a result, this third quartile number indicates that 75%of runners finished the race in 11.5seconds or less, while 25%finished in 11.5seconds or more.

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