Back to 13.4 Test of Two Variances

13.4 Exercise 17

Avg difficulty 2.5


Use the following information to answer the next three exercises. Two cyclists are comparing the variances of their overall paces going uphill. Each cyclist records their speeds going up 35 hills. The first cyclist has a variance of 23.8 and the second cyclist has a variance of 32.1. The cyclists want to see if their variances are the same or different. Assume that commute times are normally distributed.

What is the F Statistic?

OpenStax Introductory Statistics 2e, 13.4 Test of Two Variances, exercise 17

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Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.