Question
The chart below lists the sales in thousands of dollars based on the advertising budget for that quarter. The regression equation is Y' = 4.073
The chart below lists the sales in thousands of dollars based on the advertising budget for that quarter. The regression equation is Y' = 4.073 + 0.8351X. What is the correlation coefficient?
| Advertising ($hunderds) | Sales ($thousands) | ||
| 0 | 5 | ||
| 3 | 5.5 | ||
| 4 | 7 | ||
| 5 | 7.8 | ||
| 6 | 9 | ||
| 7 | 11 | ||
Multiple Choice
0.775
0.844
0.926
1.00
Step by Step Solution
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Advertising hunderds x Sales thousandsy x mean of x y mean of y x mean of x2 y m...
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Business Math
Authors: Cheryl Cleaves, Margie Hobbs, Jeffrey Noble
10th edition
133011208, 978-0321924308, 321924304, 978-0133011203
