[Solved] Random Samples of Size N Were Selected from Populations with the Means

Question 130
Short Answer

Random samples of size n were selected from populations with the means and variances given here. Find the mean and standard deviation of the sampling distribution of the sample mean in each case:
a. n = 36,
img = 12,
img = 9
Mean: ______________
SD: ______________
b. n = 100,
img = 15,
img = 4
Mean: ______________
SD: ______________
c. n = 8,
img = 100,
img = 1
Mean: ______________
SD: ______________

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