Use the following information to answer the question. The data in the top row of the table shows the number of vacation days taken by the respondent in the previous 90 days. The respondents also reported their level of happiness; Very H means very happy, and so on.

-We wish to test whether happiness is associated with taking vacation days. Choose the statement that is true about the hypothesis test or choose (d)if all the statements are false.
A)A hypothesis test cannot be conducted on this data because some of the observed cell counts are zero and there must be at least one observation in each cell.
B)The sample size is large so the chi- square test is appropriate.
C)The chi- square test is not appropriate because some expected cell counts will be less than 5.
D)All of these statements are false.

Question

Use the following information to answer the question. The data in the top row of the table shows the number of vacation days taken by the respondent in the previous 90 days. The respondents also reported their level of happiness; Very H means very happy, and so on.
 
-We wish to test whether happiness is associated with taking vacation days. Choose the statement that is true about the hypothesis test or choose (d)if all the statements are false.
A)A hypothesis test cannot be conducted on this data because some of the observed cell counts are zero and there must be at least one observation in each cell. 
B)The sample size is large so the chi- square test is appropriate. 
C)The chi- square test is not appropriate because some expected cell counts will be less than 5. 
D)All of these statements are false.

Quizplus · Accepted Answer

The chi-square test is not appropriate if any expected cell counts are less than 5, as this violates the assumptions of the test.

Use the Following Information to Answer the Question