A researcher performed a study to determine whether an association exists between political party affiliation and income.She obtained the following sample data.Use a 1% level of significance.

= 27.831;P-value = 0.0000135
A)Reject the null hypothesis.The data provide sufficient evidence to conclude that political party affiliation is distributed uniformly for each income bracket.
B)Do not reject the null hypothesis.There is insufficient evidence to conclude that there is a relationship between income and political party affiliation.
C)Reject the null hypothesis.The data provide sufficient evidence to conclude that there is a relationship between income and political party affiliation.
D)Do not reject the null hypothesis.The data provide sufficient evidence to conclude that there is a relationship between income and political party affiliation.
E)Reject the null hypothesis.There is insufficient evidence to conclude that there is a relationship between income and political party affiliation.

Question

A researcher performed a study to determine whether an association exists between political party affiliation and income.She obtained the following sample data.Use a 1% level of significance.

= 27.831;P-value = 0.0000135
A)Reject the null hypothesis.The data provide sufficient evidence to conclude that political party affiliation is distributed uniformly for each income bracket. 
B)Do not reject the null hypothesis.There is insufficient evidence to conclude that there is a relationship between income and political party affiliation. 
C)Reject the null hypothesis.The data provide sufficient evidence to conclude that there is a relationship between income and political party affiliation. 
D)Do not reject the null hypothesis.The data provide sufficient evidence to conclude that there is a relationship between income and political party affiliation. 
E)Reject the null hypothesis.There is insufficient evidence to conclude that there is a relationship between income and political party affiliation.

Quizplus · Accepted Answer

The researcher obtained a low p-value of 0.0000135, which is less than the significance level of 0.01. This indicates that there is strong evidence to reject the null hypothesis and conclude that there is a relationship between political party affiliation and income. Therefore, choice C is the best choice.

A Researcher Performed a Study to Determine Whether an Association