Short Answer
A regression analysis between sales (in $1000) and advertising (in $) yielded the least squares line in sales. }\\ \hline B&\text { increase in advertising is expected to result in an increase of in sales.}\\ \hline C&\text { increase of in advertising is expected to result in an increase of in sales. }\\ \hline D&\text {increase of in advertising is expected to result in an increase of in sales. }\\ \hline \end{array} " class="answers-bank-image d-inline" rel="preload" > = 80 000 + 5x. This implies that an:
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