Question 11 4 4 points table 13 5 the managing

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Question 11 4 / 4 points TABLE 13-5 The managing partner of an advertising agency believes that his company's sales are related to the industry sales. He uses Microsoft Excel’s Data Analysis tool to analyze the last 4 years of quarterly data (i.e., n = 16) with the following results: Regression Statistics Multiple R 0.802 R Square 0.643 Adjusted R Square 0.618 Standard Error SYX 0.9224 Observations 16 ANOVA df SS MS F Sig.F Regression 1 21.497 21.497 25.27 0.000 Error 14 11.912 0.851 Total 15 33.409 Predictor Coef StdError tStat P-value Intercept 3.962 1.440 2.75 0.016 Industry 0.040451 0.008048 5.03 0.000 Durbin-Watson Statistic 1.59 Referring to Table 13-5, the correlation coefficient is ________. .802 .643
11.912 .851 Question 12 4 / 4 points If the Durbin-Watson statistic has a value close to 0, which assumption is violated? In other words, which assumption is the Durbin-Watson statistic checking to see is violated?
Question 13 4 / 4 points The standard error of the estimate is a measure of total variation of the Y variable. the variation around the sample regression line. explained variation. the variation of the X variable.
Question 14 4 / 4 points The coefficient of determination ( r 2 ) tells us
Question 15 4 / 4 points True or False: The Regression Sum of Squares (SSR) can never be greater than the Total Sum of Squares (SST). True False
Question 16 4 / 4 points True or False: The coefficient of determination represents the ratio of SSR to SST.
Question 17 0 / 4 points
In a multiple regression problem involving two independent variables, if , , .
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