In: Statistics and Probability
Test the slope of the regression line, ŷ = -46.292 + 15.240
x of the following data. Use α = .10 and
se = 108.7.
| Advertising | Sales |
| 12.5 | 148 |
| 3.7 | 55 |
| 21.6 | 338 |
| 60.0 | 994 |
| 37.6 | 541 |
| 6.1 | 89 |
| 16.8 | 126 |
| 41.2 | 379 |
(Round the intermediate values to 3 decimal places.
Round your answer to 2 decimal places.)
Observed t=
The decision is to
reject the null hypothesisfail to reject
the null hypothesis.