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.
Opinion

-The correct null hypothesis to be tested is
A) opinion regarding the governments' bailout bill of the auto industry is independent of income level.
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 association between income level and opinion.

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.
Opinion
 
-The correct null hypothesis to be tested is
A) opinion regarding the governments' bailout bill of the auto industry is independent of income level. 
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 association between income level and opinion.

Quizplus · Accepted Answer

The null hypothesis should state that there is no relationship or association between the two variables being studied, which in this case are income level and opinion regarding the bailout bill. Option A correctly states that these two variables are independent.

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