The Starting Salaries of a Sample of College Students Are

Short Answer

The starting salaries of a sample of college students are given below.
$\begin{array}{cc}\text { Starting Salary }\\\text { In } \mathbf{\$ 1 , 0 0 0 )} & \text { Frequency } \\20-24 & 1 \\25-29 & 3 \\30-34 & 7 \\35-39 & 6 \\40-44 & 2 \\45-49 & 1\end{array}$
a. Compute the mean.
b. Compute the variance.
c. Compute the standard deviation.
d. Compute the coefficient of variation.