Use the following to answer the question(s) below.
An advocacy group is investigating whether gender has an effect on job category in large investment firms. She surveyed a sample of firms with the following results:

-Which of the following statements is true about gender and job category?
A) Gender and job category are independent.
B) Gender and job category are not independent.
C) Gender and job category are mutually exclusive.
D) Gender and job category are independent and mutually exclusive.
E) There is not sufficient information to determine whether gender and job category are independent or mutually exclusive.

Question

Use the following to answer the question(s) below.
An advocacy group is investigating whether gender has an effect on job category in large investment firms. She surveyed a sample of firms with the following results:
 
-Which of the following statements is true about gender and job category?
A) Gender and job category are independent. 
B) Gender and job category are not independent. 
C) Gender and job category are mutually exclusive. 
D) Gender and job category are independent and mutually exclusive. 
E) There is not sufficient information to determine whether gender and job category are independent or mutually exclusive.

Quizplus · Accepted Answer

The fact that there are different proportions of males and females in each job category implies that gender and job category are not independent. If they were independent, we would expect to see similar proportions of males and females in each job category.

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