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The grade point average for 7 randomly selected college students is: 2.3, 2.6, 1.2, 3.5, 2.3, 3.1,...

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Question

Basic Math

The grade point average for 7 randomly selected college studentsis:
2.3, 2.6, 1.2, 3.5, 2.3, 3.1, 1.3.( Assume the sample is taken froma normal distribution)
a) Find the sample mean. (show all work)
b) Find the sample standard deviation.
c) Construct a 90% C. I. for the population mean

Answer & Explanation Solved by verified expert
3.9 Ratings (677 Votes)
SolutionGiven thatxx2235292667612144351225235293196113169x 163x 24233a The sample mean is Mean x n    See Answer
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