1. A researcher measures the relationship between sleep medication use (times used per week) and time spent working (in hours per week). Are they significantly correlated? Conduct a hypothesis test at the .05 significance level.

Sleep Medication Use	Time Spent Working	Deviation Scores	Sum of Squares
X	Y	X-Mx	Y-MY	(X-Mx) (Y-MY)	(X-Mx)2	(Y-MY)2
8	18
3	40
6	20
2	32
Mx=	MY=			SSXY=	SSX=	SSY=

Hypotheses:

Critical Value:

r =

Decision: