Determine sales, David Ding advertises on a local radio

Determine sales

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David Ding advertises on a local radio station. For last 6-weeks, the manager has kept records of the number of minutes of advertising that were bought, and the sales for that week. Week 1, 2 minutes of advertising with $1.400 in sales. Week 2, 1 minute, $920 in sales. Week 3, 3 minutes advertising, $1,100 in sales. Week 4, 5 minutes of advertising with $2,265 in sales. Week 5, 5 minutes of advertising, $2,890 in sales. Week 6, 4 minutes in advertising, $2,200 in sales. 1). What is the y-intercept, the slope, and the correlation coefficient from the above data. 2). Estimate sales if seven minutes of advertising were purchased. 3). Estimate sales if 8 minutes were purchased. 4). How many minutes of advertising should David buy to attain sales of $3,000?

Reference no: EM1371820

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Determine sales

Reference no: EM1371820

Reference no: EM1371820

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