Mathematics, 26.10.2021 01:30 abdullahs4639
Emma wanted to predict the amount of sales per week based on the number of sale promotions, the amount spent on commercials, and the amount spent on magazine advertisements. Given the following 95% confidence interval for the population slope of amount spent on magazine advertisements, select the choice that correctly interprets the interval. (82.304, 90.115)
a. We are 95% confident that the average change in amount spent on magazine advertisements for a 1 dollar increase in sales is between 82.304 and 90.115 with similar values for other variables.
b. We are 95% confident that the average change in sales for a 1 dollar increase in amount spent on magazine advertisements is between 82.304 and 90.115 with similar values for other variables.
c. We are 95% confident that the average change in amount spent on magazine advertisements for a 1 dollar increase in sales is between 82.304 and 90.115.
d. We are 95% confident that the average change in sales for a 1 dollar increase in amount spent on magazine advertisements is between 82.034 and 90.115.
Answers: 3
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Emma wanted to predict the amount of sales per week based on the number of sale promotions, the amou...
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