Find the population variance and standard deviation of the starting salaries for Corporation B in Example 1.

Starting Salaries for Corporation B (in thousands of dollars)

Salary  40        23        41        50         49        32        41        29        52       58

a. Find the mean and each deviation.

b. Square each deviation and add to get the sum of squares.

c. Divide by N to get the population variance.

d. Find the square root of the population variance to get the population standard deviation.

e. Interpret the results by giving the population standard deviation in dollars.