Exercises 289c. What is the correlation coefficient for these data?
d. Are the correlation coefficient and the slope significantly different from zero?
Height Weight Height Weight
70 150 73 170
67 140 74 180
72 180 66 135
75 190 71 170
68 145 70 157
69 150 70 130
71.5 164 75 185
71 140 74 190
72 142 71 155
69 136 69 170
67 123 70 155
68 155 72 215
66 140 67 150
72 145 69 145
73.5 160 73 155
73 190 73 155
69 155 71 150
73 165 68 155
72 150 69.5 150
74 190 73 180
72 195 75 160
71 138 66 135
74 160 69 160
72 155 66 130
70 153 73 155
67 145 68 150
71 170 74 148
72 175 73.5 155
69 1759.32 The following data are the actual heights and weights, referred to in this chapter, of female
college students.
a. Make a scatterplot of the data.
b. Calculate the regression coefficients for these data. Interpret the slope and the intercept.
c. What is the correlation coefficient for these data? Is the slope significantly different
from zero?
Height Weight Height Weight
61 140 65 135
66 120 66 125
68 130 65 118
68 138 65 122
63 121 65 115
70 125 64 102
68 116 67 115
69 145 69 150
69 150 68 110
67 150 63 116
(continues)