In which of the following situations should the chi-square Test for Homogeneity be used? Select the

Abraham Bradley

Abraham Bradley

Answered question

2022-04-24

In which of the following situations should the chi-square Test for Homogeneity be used?Select the correct answer below:
A professor wants to determine if the students in each of her two sections had the same distribution of grades. She records the grade distribution for each section and compares the two distributions.
A survey company puts out a survey asking people two questions. First, it asks if a person owns a car or not. Second, it asks whether or not the person supports an upcoming environmental protection bill. The data are recorded in a contingency table. The company wants to determine if support for the bill is independent of car ownership.
A professor expects that the grades on a recent exam are normally distributed with a mean of 80 and a standard deviation of 10. She records the actual distribution of grades and wants to compare it to the normal distribution.

Answer & Explanation

Cristian Rosales

Cristian Rosales

Beginner2022-04-25Added 26 answers

Chi-square Test for Homogeneity:
Chi-square Test for Homogeneity is used for the single categorical variable from the more than two different populations. Moreover, it is used to test the frequency counts for different populations are distributed identically.
For the situation 1, compare the two distributions. Moreover, professor find the students in each of her two sections had the same distribution of grades. Hence, the situation “A professor wants to determine if the students in each of her two sections had the same distribution of grades. She records the grade distribution for each section and compares the two distributions.” the chi-square Test for Homogeneity be used.
For situation 2, the bill is independent of car ownership is tested. Hence, the chi-square Test for Homogeneity is not used for the situation 2.
For situation 2, compare the normal distribution. Hence, the chi-square Test for Homogeneity is not used for the situation 2.

Do you have a similar question?

Recalculate according to your conditions!

New Questions in College Statistics

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?