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Problem 1

 

11.5 Confidence Interval for the Slope β1

Problem 2
Problem 3
Now You Try It!

Use the cricket data from above to find the 98% confidence interval estimate for the true slope for the linear relationship between temperature and the frequency of chirps. What does this interval indicate? indicate? (n = 15, SSxx = 631.64933, SSxy = 136.23333, SSyy = 41.993333)

 

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