Use the following to answer the question(s) below.
A local politician was interested in determining whether income level affects opinion regarding the governments' bailout bill of the auto industry during the 2008 financial crisis. He surveyed a sample of his constituents and got the following results.
-The correct null hypothesis to be tested is
A) There is no relationship between income level and opinion.
B) There is a relationship between income level and opinion.
C) Opinion depends on income level.
D) Opinion and income level are not independent
E) There is a relationship between income level and opinion and, and opinion and income level are not independent.

Question

Use the following to answer the question(s) below.
A local politician was interested in determining whether income level affects opinion regarding the governments' bailout bill of the auto industry during the 2008 financial crisis. He surveyed a sample of his constituents and got the following results. 
-The correct null hypothesis to be tested is
A) There is no relationship between income level and opinion. 
B) There is a relationship between income level and opinion. 
C) Opinion depends on income level. 
D) Opinion and income level are not independent 
E) There is a relationship between income level and opinion and, and opinion and income level are not independent.

Quizplus · Accepted Answer

The correct null hypothesis to be tested in this scenario is that there is no relationship between income level and opinion. This is because the politician wants to determine whether income level affects opinion regarding the government's bailout bill, and the null hypothesis is typically the opposite of what is being investigated – that there is no relationship.

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