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Dispersion of the sampling errors

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Reference no: EM13983097

USA Today reports salaries for National Football League (NFL) teams. The file Jaguars contains the salaries for the 2007 Jacksonville Jaguars.

a. Calculate the average total salary for the Jacksonville Jaguars for 2007.

b. Calculate the smallest sample mean for total salary and the largest sample mean for total salary using a sample size of 10. Calculate the sampling error for each sample mean.

c. Repeat the calculations in part b for samples of size 5 and 2.

d. What effect does a change in the sample size appear to have on the dispersion of the sampling errors?

Reference no: EM13983097

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