Consider the following to answer the question(s) below:
Vending machines on a college campus offer a variety of drinks. The purchasing agent believes that each type of drink is equally preferred by students and consequently orders equal quantities. The number of drinks sold from vending machines on this campus for the last six months is shown in the following table.

-What is the mean of the χ2 distribution in this case?
A) 3
B) 4
C) 2
D) 1
E) Cannot be determined with the information available.

Question

Consider the following to answer the question(s) below:
Vending machines on a college campus offer a variety of drinks. The purchasing agent believes that each type of drink is equally preferred by students and consequently orders equal quantities. The number of drinks sold from vending machines on this campus for the last six months is shown in the following table.
 
-What is the mean of the χ2 distribution in this case?
A) 3 
B) 4 
C) 2 
D) 1 
E) Cannot be determined with the information available.

Quizplus · Accepted Answer

The mean of the χ2 distribution is equal to the degrees of freedom, which in this case is 3.

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