We are interested in determining if the amount of sleep someone gets per night affects how much
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We are interested in determining if the amount of sleep someone gets per night affects how much they exercise. The following data are provided:
5-0, 5.5- ,7 6 -14, 6.5- 7, 7 -12, 7.5- 4, 8- 6, 8.5- 1, 9- 8
- Find s^2.
- Find the test statistic for testing if b 1 is significant or not.
- What conclusion would you make based on the test statistic found above (use .05 confidence level)?
- Find the 95% confidence interval for β 1 .
- Assuming someone sleeps 8 hours a night, how much would you expect them to exercise?
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