Advertising Sales $120 $1.503 $160 $1.755 $205 $2.971 $210 $1.682 $225 $3,497 $230 $1,998 $290 $4,528 $315 $2.937 $375 $3.622 $390 54.402 a. What is the sample covariance, correlation, and impact of the data?

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