Table 8.16 shows the average weight (in pounds) for 18- to 24-year-old U.S. women of different heights

Question:

Table 8.16 shows the average weight (in pounds) for 18- to 24-year-old U.S. women of different heights (measured in inches above 5 feet). Use least squares to estimate the relationship between height (X) and weight (Y).

a. Interpret the estimated coefficient of X.

b. Calculate a 95 percent confidence interval for the coefficient of X.

c. Is the relationship statistically significant at the 5 percent level?

d. The American Heart Association says that the ideal female weight is 100 + 5.0X.

How does your fitted line compare to this guideline? image text in transcribed

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Essential Statistics Regression And Econometrics

ISBN: 9780123822215

1st Edition

Authors: Gary Smith

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Question Posted: Mar 15, 2024 05:01 AM

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Table 8.16 shows the average weight (in pounds) for 18- to 24-year-old U.S. women of different heights

Question:

Height -3 -2 -1 0 1 2 3 4 5 6 7 8 00 Weight 111 114 118 121 124 128 131 134 137 141 144 147

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Essential Statistics Regression And Econometrics

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