Question

A researcher measures the relationship between education (in years) and investment gains (in thousands of dollars)....

  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:

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