In Its Most Recent Annual Report, the US Chamber of Commerce

question 69

Multiple Choice

In its most recent annual report, the US Chamber of Commerce compared the economic climate for small businesses in three regions of the country by asking a randomly selected sample of 100 small business owners from each region to rate the business climate in their region.In each sample, a majority of business owners rated the business climate "strongly positive." You use an appropriate chi-square table format to test the null hypothesis that the proportion of all small businesses owners who rate the business climate "strongly positive" is the same in all three regions.The significance level of the test is 5%. If the p-value for the sample result turns out to be .021, what should you conclude?

• A)Don't reject the hypothesis that the proportion of all small businesses owners who would rate the business climate "strongly positive" is the same in all three regions
• B)Reject the hypothesis that the proportion of all small businesses owners who would rate the business climate "strongly positive" is the same in all three regions
• C)The samples provide strong evidence that the proportion of all small businesses owners who would rate the business climate "strongly positive" is the same in all three regions.
• D)The samples provide strong evidence that the proportion of all small businesses owners who would rate the business climate "strongly positive" is different in each of the three regions.

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Definitions:

Muscles

Tissues in the body that have the ability to contract, enabling movement of the body and its parts.

Thoughts

Mental processes in which ideas, opinions, or beliefs are formulated.

Cardiovascular System

A complex system consisting of the heart and blood vessels that circulates blood throughout the body to deliver oxygen and nutrients and remove waste products.

Hypertension

A medical condition in which the blood pressure in the arteries is persistently elevated, also known as high blood pressure.