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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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
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SolutionGiven thatxx2235292667612144351225235293196113169x 163x 24233a The sample mean is Mean x n
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