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Question 63

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A sample of 19 female bears was measured for chest girth (y) and neck girth (x) , both in inches. The least squares regression equation relating the two variables is y^\hat{y} = 5.32 + 1.53 x. The standard deviation of the regression is s = 3.692.
-What is a 95% prediction interval for the chest girth of a bear with a neck girth of 20 inches? The standard error of the fit, s.e.(fit) , = 0.880


A) (27.9, 43.9)
B) (28.1, 43.7)
C) (34.1, 37.8)
D) None of the above

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