PSYC 355 Chi-Square Tests and Module 8 Article Quiz / Latest 2024

PSYC 355 quiz 8
202140 Fall 2021 PSYC 355-
B08 LUO
Quiz: Chi-Square Tests and Module 8 Article
• Question 1
2 out of 2 points
What values are specified by the null hypothesis for a chi-square test?

Selected b.
Answer: Proportions for a population

• Question 2
2 out of 2 points
In the observed frequencies for a chi-square test for independence, how often is each
participant counted?
Selected d.
Answer: Just once

• Question 3
2 out of 2 points
A sample of n = 100 people is classified into four categories. If the results are evaluated with
a chi-square test for goodness of fit, what is the df value for the chi-square statistic?
Selected b.
Answer: 3
• Question 4
2 out of 2 points
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 .
Selected d.
Answer: one-third of the population prefers each brand

• Question 5
0 out of 2 points
Which of the following accurately describes the observed frequencies for a chi-square test?