Mathematics, 30.10.2019 09:31, kikibee
The director of marketing at a large company wants to determine if the amount of money spent on internet marketing is a good predictor of company profit. she fits a least-squares regression line to 20 months of data and computes the following regression line:
profit = 372.6 + 17.2(advertising dollars)
what is the value of the residual for advertising dollars spent equal to $1,020 and profit equal to $17,500? round to the nearest integer.
Answers: 3
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