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4. Suppose a company wants to find the determinants of job satisfaction for its employees. The...

4. Suppose a company wants to find the determinants of job satisfaction for its employees. The company gathers some anonymous data from its employees and runs a regression with Job Satisfaction (on a 1 to 10 scale) as the response variable, and it gets the following results.

ANOVA

df

SS

Regression

4

9283

Residual

14

370

(a) What are the null and alternative hypotheses (regarding the b values) for the F-test for the regression?

(b) What is the F-statistic for this regression

(c) The critical F* for the test is 5.04. Do we reject or not reject the null hypothesis in this case?

Why?

(d) What percentage of the variation in Job Satisfaction is “explained” by this regression?

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