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A Random Sample of Steelhead Trout Was Selected; the Length

Question 28

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A random sample of steelhead trout was selected; the length of the trout in inches and the weight of the trout in pounds were measured. Fitting the simple linear regression model gave the estimated regression equation A random sample of steelhead trout was selected; the length of the trout in inches and the weight of the trout in pounds were measured. Fitting the simple linear regression model gave the estimated regression equation . a) How would you interpret b = 0.976? b) Substituting x = 30 gives = 9.98. Give two different interpretations of this number. c) What happens if you predict the weight of an 18-inch trout? In a few sentences, explain why do you think this has occurred. d) The value of r<sup>2</sup> is not presented here, but explain how you would interpret r<sup>2</sup> in the context of this problem. .
a) How would you interpret b = 0.976?
b) Substituting x = 30 gives A random sample of steelhead trout was selected; the length of the trout in inches and the weight of the trout in pounds were measured. Fitting the simple linear regression model gave the estimated regression equation . a) How would you interpret b = 0.976? b) Substituting x = 30 gives = 9.98. Give two different interpretations of this number. c) What happens if you predict the weight of an 18-inch trout? In a few sentences, explain why do you think this has occurred. d) The value of r<sup>2</sup> is not presented here, but explain how you would interpret r<sup>2</sup> in the context of this problem. = 9.98. Give two different interpretations of this number.
c) What happens if you predict the weight of an 18-inch trout? In a few sentences, explain why do you think this has occurred.
d) The value of r2 is not presented here, but explain how you would interpret r2 in the context of this problem.

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a) For each additional inch of length, t...

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