In: Statistics and Probability
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.