Textbook ExpertVerified Tutor
18 Nov 2021
Given information
Two cyclists are comparing the variances of their overall paces going uphill. Each cyclist records his or her speeds going up hills. The first cyclist has a variance of and the second cyclist has a variance of . The cyclists want to see if their variances are the same or different.
Step-by-step explanation
Step 1.
statistic is the ratio of the two variances.
The formula to calculate statistic is:
where, is the variance of the first sample and is the variance of the second sample.
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