Question

A researcher is using a chi-square test to determine whether people have any preferences among three brands of televisions. The null hypothesis for this test would state that ______.

Answer
a. in the population, one brand is preferred over the other two
b. one-third of the population prefers each brand
c. there are real preferences in the population
d. one-third of the sample prefers each brand

Answer 1

So based on the given options above, the correct answer that would best complete the statement would be option B. Since the researcher is using a chi-square test to determine whether people have any preferences among three brands of televisions, the null hypothesis for this test would state that one-third of the population prefers each brand. Hope this answer helps.