Question

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 (b)

    An instructor tests whether class attendance (low, high) and grade point average (low, 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 (c)

    A health psychologist records the number of below average, average, overweight, and obese individuals in a sample of college students.

    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 (d)

    A sports psychologist compares the number of athletes with Type A or Type B personality traits.

    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 =

Homework Answers

Answer #1

ANSWER::

a.

Chi square test of independence is appropriate to test the independence of professor's speaking style and student's interest.

Df = ( 2-1)×(3-1) = 2

b.

Chi square test for independence is appropriate to test the independence of class attendance and grade point average.

Df = (2-1) × ( 3-1 ) = 2

c.

Chi square goodness of fit test is appropriate to test whether the observed and expected frequencies are significantly different.

Df= sample size - 2 (iam not sue for this ) i hope it is correct...if not please comment i will upadate the answer.

d.

Chi square goodness of fit test is appropriate

Df = sample size -1

NOTE:: I HOPE YOUR HAPPY WITH MY ANSWER....***PLEASE SUPPORT ME WITH YOUR RATING...

***PLEASE GIVE ME "LIKE"...ITS VERY IMPORTANT FOR ME NOW....PLEASE SUPPORT ME ....THANK YOU

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
*4.) For each of the following examples, state whether the chi-square goodness-of-fit test or the chi-square...
*4.) 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) An instructor tests whether class attendance (low, average, high) and grade point average (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 =...
​ 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...
Practice finding degrees of freedom for a Chi-square test. Goodness of fit categories - 1 Independence...
Practice finding degrees of freedom for a Chi-square test. Goodness of fit categories - 1 Independence (rows -1)( columns -1) Homogeneity categories -1 Variance n-1 To look up a p-value for Chi-Square test you need to know the degrees of freedom. A goodness of fit test has 7 categories. What degrees of freedom do you use? A test for homogeneity has 9 categories. What is the degrees of freedom, d.f.? A test for independence has 3 rows and 9 columns....
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?
For a chi-square goodness-of-fit test, what is the number of degrees of freedom, if the number...
For a chi-square goodness-of-fit test, what is the number of degrees of freedom, if the number of categories in the distribution is 9? ______________ what is the critical value for a 1% level of significance? _____________
QUESTION 1 The number of degrees of freedom for the appropriate chi-square distribution in goodness of...
QUESTION 1 The number of degrees of freedom for the appropriate chi-square distribution in goodness of fit test is A n − 1 B (r-1)(c-1) C a chi-square distribution is not used D k − 1 QUESTION 2 A goodness of fit test and test of independence is always conducted as a A upper-tail test B left-tail test C middle test D lower-tail test QUESTION 3 The number of degrees of freedom for the appropriate chi-square distribution in a test...
A chi-square goodness of fit test determines whether a set of observed frequencies differs from a...
A chi-square goodness of fit test determines whether a set of observed frequencies differs from a set of ______ frequencies. Select one: a. independent. b. obtained. c. expected. d. constant.
what are one of the main characteristics of chi Square analysis Goodness-to-fit test? What type of...
what are one of the main characteristics of chi Square analysis Goodness-to-fit test? What type of research instrument would be a great fit for Chi Square analysis Goodness-to-fit test?
What is evaluated by the chi-square test for goodness of fit? a. If proportions of a...
What is evaluated by the chi-square test for goodness of fit? a. If proportions of a sample distribution match those of a population specified by the null hypothesis b. If the frequencies found within an individual category match a certain shape c. Whether the means of two or more categories differ from one another d. Whether two variables are related to each other or independent
Which of the following statements is true in the context of a chi-square goodness-of-fit test? Select...
Which of the following statements is true in the context of a chi-square goodness-of-fit test? Select one: a. The critical value will come from the standard normal table if the sample size exceeds 30. b. The degrees of freedom for determining the critical value will be the number of categories minus 1. c. A very large test statistic will result in the null not being rejected. d. The null hypothesis will be rejected for a small value of the test...