determination, r2. Explain what it means in the context of this problem. (e) Provide examples of other lurking variables that may ha
A sample of 10 adult men gave the following data on their heights and weights
| 62 | 62 | 63 | 65 | 66 | 67 | 68 | 8 | 70 | 72 |
| 120 | 140 | 130 | 150 | 142 | 130 | 135 | 175 | 149 | 168 |
(d) Find the coefficient of determination, r2. Explain what it means in the context of this problem.
(e) Provide examples of other lurking variables that may have an effect on weight besides height.
(f) Use a 1% level of significance to test the claim that ρ > 0. Show all steps of your hypothesis test.
(g) Predict the weight of a man whose height is 60 inches.
(h) Find a 90% confidence interval for men of height 60 inches (use your answer from part g). Include your interpretation of the confidence interval. Show your formula for E with all important values included.
(i) Predict the height of a man whose weight is 160 pounds.
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