Value of the mean hours total

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Suppose we want to know that, one the average, how many hours in a week MSU students spend in the library. We survey a sample of 49 students and the Mean of that sample is 12 and the standard deviation is 10.5.

1. Construct a 99% Confidence Interval for the value of the mean hours total MSU students spend in the library in a week. Demonstrate your calculations and graph.

2. How dos your answer to part a, will change if the sample size, instead of 49 was 16? Demonstrate your calculations and graph.

Reference no: EM13884145

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