1. A researcher measures the relationship between education (in years) and investment gains (in thousands of dollars). Are they significantly correlated? Conduct a hypothesis test at the .05 significance level.

Education	Investment Gains	Deviation Scores	Sum of Squares
X	Y	X-Mx	Y-MY	(X-Mx) (Y-MY)	(X-Mx)2	(Y-MY)2
14	8
12	11
9	10
18	14
Mx=	MY=			SSXY=	SSX=	SSY=

Hypotheses:

Critical Value:

r =

Decision: