The following data set presents the heights of 12 male law school classmates whose law school examination scores were roughly equal. It also gives their annual salaries 5 years after graduation. Each went into corporate law. The height is in inches, and the salary is in units of $1000.
Height
Salary
64
111
65
114
66
108
67
123
69
97
70
116
72
125
74
142
122
75
110
76
134
(a) Do the given data establish the hypothesis that a lawyer’s salary is related to his height? Use the 5 percent level of significance.
(b)What was the null hypothesis in part (a)?
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