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1. The time it takes to do the in class problem sets averages 40 minutes. To...

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Statistics

1. The time it takes to do the in class problem sets averages40 minutes. To test the hypothesis that the problem sets forhypothesis testing will be completed faster a sample of 100students showed the average time to complete the problem sets was32 minutes with a standard deviation of 9 minutes.

a) At the .05 level do the hypothesis tests get done fasterthan normal? (note: p = 0)

b) Interpret the p-value

c) The 95% confidence interval readout is “33.49 or more.”Interpret this in context of the problem

d) If I take another sample of 100 students to do a hypothesistesting problem set would a mean of 38 minutes be something I wouldexpect? Explain

Answer & Explanation Solved by verified expert
4.3 Ratings (803 Votes)
Let us assume that the time it takes to do the class problemfollows a Normal distribution and    See Answer
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