Assignment 1 1. The following data shows the heights and weights of six individuals Height in inches 69 67 69 71 70 72 Weight in lbs 164 161 139 192 134 198 a) Find the equation of the regression line with height as the explanatory variable and use the regression line to find the predicted values for x=68 inches and x=72 inches. b) Which of the following is the graph of the regression line for this data? 200 9 20.1 a) 195 b) 195 190 . 190 185 185 . mo :50 WEIght 115 ' h 175 . welg t "1 lb 170 . In lb 170 165 . 165 160 160 155 155 150 i I i I ' i ' 150 I l r l r r l 65 61 65 69 70 71 72 73 66 57 53 g 70 71 72 73 height in inches height in "\"5"\" 200 200 C) 195 195 190 d) :90 135 135 - 180 180 weight in lb "5 weight \"5 . 170 \"1 lb 170 165 . 160 155 .155 150 1vr"P1r'P1 150 66 67 63 69 7D 71 72 73 66 67 68 69 TD 71 72 height in inches height in inches 73