Exhibit 18-1
Ten people were given two types of cereal, Brand X and Brand Y. Three people preferred Brand X, 5 people preferred Brand Y, and 2 people were undecided. We want to determine whether or not the two products are equal.
-Refer to Exhibit 18-1. The null hypothesis should be
A)rejected
B)not rejected
C)revised
D)None of these alternatives is correct.

Question

Quizplus · Accepted Answer

The null hypothesis should state that there is no difference in preference between Brand X and Brand Y. Therefore, the null hypothesis should be "Brand X and Brand Y are equally preferred." Based on the data provided, we cannot reject this null hypothesis, as there was not a significant difference in the number of people who preferred each brand.

Exhibit 18-1 Ten People Were Given Two Types of Cereal, Brand X