Vending machines on a college campus offer a variety of snacks. The purchasing agent believes that each type of snack is equally preferred by students and consequently
Orders equal quantities. The null hypothesis to test his belief can be worded as
A) The types of snacks are not uniformly distributed among the students buying snacks.
B) The types of snacks are uniformly distributed among the students buying snacks.
C) The types of snacks are independent from each other.
D) The distribution of type of snack purchases follows the normal distribution.
E) None of the above.

Question

Quizplus · Accepted Answer

The null hypothesis should be worded such that it reflects the belief that the purchasing agent has. In this case, the agent believes that each type of snack is equally preferred by students. Therefore, the null hypothesis should state that the types of snacks are uniformly distributed among the students buying snacks.

Vending Machines on a College Campus Offer a Variety of Snacks