[EX03-035] Many organizations offer “special”

magazine subscription rates to their members.

The American Federation of Teachers is no different, and here are a few of the rates they offer their members.

Magazine Usual Rate Your Price Cosmopolitan $29.97 $18.00 Sports Illustrated $78.97 $39.75 Ebony $20.00 $14.97 Rolling Stone $23.94 $11.97 Martha Stewart Living $24.95 $20.00 Source: American Federation of Teachers

a. Construct a scatter diagram with “Your Price”

as the dependent variable, y, and “Usual Rate”

as the independent variable, x.

Find:

b. SS(x)

c. SS(y)

d. SS(xy)

e. Pearson’s product moment, r