4.12 Xr04-12 The starting salaries of a sample of 125 recent MBA graduates are recorded. a….

4.12 Xr04-12 The starting salaries of a sample of 125
recent MBA graduates are recorded.
a. Determine the mean and median of these data.
b. What do these two statistics tell you about the
starting salaries of MBA graduates?
4.13 Xr04-13 To determine whether changing the color
of its invoices would improve the speed of payment,
a company selected 200 customers at random and
sent their invoices on blue paper. The number of
days until the bills were paid was recorded. Calculate
the mean and median of these data. Report what
you have discovered