B.-1.045 + 0932x C. 1.122 1.073x D. 21.206+ 1073x 19. A regression analysis betw

Question

B.-1.045 + 0932x C. 1.122 1.073x D. 21.206+ 1073x 19. A regression analysis between sales (in $1000) and advertisimg (in S) resulted in the following least squares line: 80,000 5x. This implies that an increase of n an increase of in advertising is expected to result in sales A. S1, $80,00 B. $1, $5,000 C. $5, $5,000 D. $1, $5 20. A balanced experiment requires that A, at least one sample equal size is 30. B. at least two treatment grouaps be used C. an equal mumber of persous or test units receives each treatment D. the mumber of treatmeuts equals the uumber of samples End of exam W e

Explanation / Answer

19) Option (B), increase of $1 in advertising is expected to results in an increase of $5,000 in sales

20) Option (D), The number of treatments equlas the number of samples

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