Question

Chi-Square test. This test is typically used when you have categorized / paired and continuous /...

Chi-Square test. This test is typically used when you have categorized / paired and continuous / discontinuous data items in a sample

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Solution:

Chi-Square test is a non-parametric statistical test which typically used to test the "Goodness of fit " and "Test of Independence". Basically Chi-square test is used for the association between two categorical data.  Chi-square independence test evaluates if two categorical variables are related in any way.

The test Statistic for Chi-Square is

Where,

Observed Value

Expected Value

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
When evaluating a chi-square test, describe the importance of the goodness of fit test. Provide an...
When evaluating a chi-square test, describe the importance of the goodness of fit test. Provide an example and explain how the test is used to evaluate the data.
The same formula is used to calculate the chi-square statistic in the chi-square test for goodness-of-fit...
The same formula is used to calculate the chi-square statistic in the chi-square test for goodness-of-fit and the chi-square test of independence. Which calculation differs along the way for these two tests?
When evaluating a chi-square test, describe the importance of the goodness of fit test. Provide an...
When evaluating a chi-square test, describe the importance of the goodness of fit test. Provide an example and explain how the test is used to evaluate the data. april 2019 - 150 - 200 words, typed if possible
Explain the Chi – Square test and when it is appropriate.
Explain the Chi – Square test and when it is appropriate.
​ A chi-square test for goodness of fit is used to examine the distribution of individuals...
​ A chi-square test for goodness of fit is used to examine the distribution of individuals across four categories, and a chi-square test for independence is used to examine the distribution of individuals across the six categories in a 2×3 matrix of categories. Which test has the larger value for df? a. ​The test for goodness of fit b. ​Both tests have the same df value. c. ​The test for independence d. ​The df value depends on the sizes of...
When conducting a hypothesis test with chi-square analysis, the rejection region in a chi-square distribution is...
When conducting a hypothesis test with chi-square analysis, the rejection region in a chi-square distribution is always in the upper or right tail. Group of answer choices True False
1. The sample data for Chi-square test are called ______ ? a. Expected frequencies b. Observed...
1. The sample data for Chi-square test are called ______ ? a. Expected frequencies b. Observed frequencies c. Expected proportions d. Observed proportions 2. The chi-Square test statistic should not be used if _______? a. fe > 5 for any cell b. fe < 5 for any cell c. fe = fo d. None of the above 3. A nation-wide data indicated that 60% of students approved of the instructors grading policy, 30% disapproved and 10% had no opinion. The...
For each of the following examples, state whether the chi-square goodness-of-fit test or the chi-square test...
For each of the following examples, state whether the chi-square goodness-of-fit test or the chi-square test for independence is appropriate, and state the degrees of freedom (df) for the test. Part (a) A student tests whether the professor's speaking style (monotone, dynamic) and student interest (low, average, high) are independent. State whether the chi-square goodness-of-fit test or the chi-square test for independence is appropriate. chi-square goodness-of-fitchi-square test for independence      State the degrees of freedom for the test. df = Part...
1. When is the Chi-square test not ideal? A. To compare independent samples of ratio or...
1. When is the Chi-square test not ideal? A. To compare independent samples of ratio or interval level data B. To compare independent samples of ordinal or nominal level data C. When all cells within 2x2 tables have an observed value greater than or equal to 10. D. A & B
Problem Set 5.4: Alternative to Chi-Square as a Test of Independence Criterion: Identify an alternative to...
Problem Set 5.4: Alternative to Chi-Square as a Test of Independence Criterion: Identify an alternative to chi-square as a test of independence. Data: A chi-square test of independence could be used to examine the relationship between overhead light preference (on or off) and glasses use (wearing or not wearing). Instruction: Answer this: What other type of test could be used to measure this data? Explain. (hint: the answer is NOT fishers exact test)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT