In testing whether each individual independent variables (Xs) in a multiple regression equation is statistically significant in explaining the dependent variable (Y), one uses the:
a. F-test
b. Durbin-Watson test
c. t-test
d. z-test
e. none of the above
Question 2
The manager of the sales department (a profit center) at Harvey's HVAC, decides to outsource any sales training that the division needs since in house training is expensive, even though the outsourced training does not cover the company's repair and warranty information from the service department. Does the Sales department have enough information to make the right decision?
a. No
b. Yes
c. Uncertain
d. None of the above
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