Question

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	$28.65	$18.05
Sports Illustrated	$78.30	$40.20
Ebony	$20.30	$16.00
Rolling Stone	$23.60	$11.70
Martha Stewart Living	$25.25	$20.50

(a) Construct a scatter diagram with "Your Price" as the dependent variable, y, and "Usual Rate" as the independent variable, x. (Do this diagram on paper. Your instructor may ask you to turn this in.)

(b) Find SS(x), SS(y), and SS(xy). (Enter your answers to two decimal places.)

SS(x)
SS(y)
SS(xy)

(c) Find Pearson's product moment, r. (Enter your answer to three decimal places.)

Answer 1