Question
The slope of the regression equation for the following data is: X 43 48 56 61...
The slope of the regression equation for the following data is:
| X | 43 | 48 | 56 | 61 | 67 | 55 |
|---|---|---|---|---|---|---|
| Y | 128 | 120 | 135 | 143 | 141 | 130 |
Select one:
A. 0.8476
B. 0.8262
C. 0.7852
D. 0.6285
Homework Answers
Answer #1
Solution
| x | y |  |
xy |
| 43 | 128 | 1849 | 5504 |
| 48 | 120 | 2304 | 5760 |
| 56 | 135 | 3136 | 7560 |
| 61 | 143 | 3721 | 8723 |
| 67 | 141 | 4489 | 9447 |
| 55 | 130 | 3025 | 7150 |
n = 6 observation
The slope of the regression equation can be determined by the using the formula
The slope of the regression equation is 
Option B is correct
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