Question

The file P07_14.xlsx contains a very small population of only five members. For each member, the...

The file P07_14.xlsx contains a very small population of only five members. For each member, the height of the person is listed. The purpose of this problem is to let you see exactly what a sampling distribution is. Find the exact sampling distribution of the sample mean with sample size 3. (If necessary, round your answers to four decimal places.) Prefer to be shown using excel

Mean of sampling distribution?
Standard deviation of sampling?
Person Height
1 67
2 69
3 73
4 64
5

70
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Sol:

mean of sampling distribution is

=68.667

standard deviation of the sampling distribution

=4.509

excel screenshot

SAMPLE MEAN =AVERAGE(F6:F8) 68.66667
SAMPLE STANDARD DEVIATION= =STDEV.S(F6:F8) 4.50925

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