14Referring to Scenario 12-2, What Is the Standard Error of the Regression

Multiple Choice

14.Referring to Scenario 12-2, what is the standard error of the regression slope estimate, S ?
$$b$$ 1
a) 0.784 b) 0.885 c) 12.650 d) 16.299
ANSWER:
c
TYPE: MC DIFFICULTY: Moderate
KEYWORDS: standard error, slope
-Referring to Scenario 12-2, to test whether a change in price will have any impact on sales, what would be the critical values? Use $\alpha$ = 0.05.

A) $\pm$ 2.5706
B) $\pm$ 2.7765
C) $\pm$ 3.1634
D) $\pm$ 3.4954