A random sample of 82 college students were asked how many hours do they exercis

Question

A random sample of 82 college students were asked how many hours do they exercise in a typical week. The data was entered in the Statistix software and the descriptive statistics printouts is shown below Descriptive Statistics Exercise 82 Lo93% CI Mean Up 93% CI 6.0925 6.9878 7.8831 4.4152 SD Minimum 0.0000 Median Maximum 22.000 6.5000 Someone claims that the average exercise time of all students is at least 10 hours per week. How would you respond to this claim? We are 93% confident that the average exercise time of all college students is 6.9878 hours per week, so the statement is false O We are 93% confident that the average exercise time of all college students exceeds 10 hours per week. : we are 93% confident that the average exercise time of all college students is less than 10 hours per week 0 At the 93% confidence level, the best we can say is that the average exercise time of all students might be 10 hours per week.

Explanation / Answer

On the basis of the 93% CI given we can conclude that

1. We are 93% confident that the average exercise time of all college students is 6.9878 hours per week, so the statement is false.

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