Question: A researcher collects data on the relationship between the amount of daily exercise an individual gets and the percent body fat of the individual. The

A researcher collects data on the relationship between the amount of daily exercise an individual gets and the percent body fat of the individual. The following scores are recorded.

Individual

1

2

3

4

5

Exercise (min)

10

18

26

33

44

% Fat

30

25

18

17

14

  1. What is the 95%confidence interval for the regression slope?
  2. When testing the null hypothesis for the regression coefficient that H0: b=0, what is the t ration used?

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