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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.
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