Reference no: EM131753528

A sample of 10 adult men gave the following data on their heights and weights.

Height (inches)                          Weight (pounds)

X                                                     Y

62                                                   120

62                                                   140

63                                                   130

65                                                   150

66                                                   142

67                                                   130

68                                                   135

68                                                   175

70                                                   149

72                                                   168

1. Use a 1% level of significance to test the claim that ρ > 0. Show all steps of your hypothesis test.

2. Predict the weight of a man whose height is 60 inches. 

3. 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.

4. Predict the height of a man whose weight is 160 pounds.