The grade point average for 10 randomly selected college students is: (Please show all work and...

The grade point average for 10 randomly selected college students is: (Please show all work and label if it's answer a, b, c.)

2.9, 3.1, 3.4, 3.6, 3.1, 4.0, 2.5, 3.7, 3.0, 2.5 (Assume the sample is taken from a normal distribution)

a) Find the sample mean. (Show all work)

b) Find the sample standard deviation.

c.) Construct a 99% C.I. for the population mean.

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orchestra answered 1 year ago

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