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Test the slope of the regression line, ŷ = -46.292 + 15.240 x of the following...

Test the slope of the regression line, ŷ = -46.292 + 15.240 x of the following data.

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

0 0
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Answer #1

t test statistic for slope =7.27

P value =0.0003

The decision is to reject H0

Therefore, we can say that linear relationship exist between two variables.

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