# Question

Do exercise 2 using the ages instead of the salaries.

a.* List the employee numbers for your sample.

b. Find the average salary for your sample and interpret this number.

c. Find the standard deviation of salary for your sample and interpret this number.

d. Find the standard error of salary for your sample and interpret this number. In particular, in what way is it different from the standard deviation found in the previous part of this exercise?

a.* List the employee numbers for your sample.

b. Find the average salary for your sample and interpret this number.

c. Find the standard deviation of salary for your sample and interpret this number.

d. Find the standard error of salary for your sample and interpret this number. In particular, in what way is it different from the standard deviation found in the previous part of this exercise?

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