An advocacy group is investigating whether gender has an effect on job category in large investment firms. Given the results shown in the table below, which of the following statements is true about gender and job category?
|
Job Category
|
Male
|
Female
|
|
Clerical / Technical
|
85
|
215
|
|
Professional Staff
|
720
|
480
|
|
Executive / Managerial
|
400
|
100
|
A. There is not sufficient information to determine whether gender and job category are independent or mutually exclusive.
B. Gender and job category are not independent
C. Gender and job category are independent
D. Gender and job category are mutually exclusive
E. Gender and job category are independent and mutually exclusive