Exhibit 11-2 We Are Interested in Determining Whether or Not the Variances

question 36

Multiple Choice

Exhibit 11-2
We are interested in determining whether or not the variances of the sales at two music stores (A and B) are equal. A sample of 26 days of sales at store A has a sample standard deviation of 30 while a sample of 16 days of sales from store B has a sample standard deviation of 20.
-Refer to Exhibit 11-2. At 95% confidence the null hypothesis

• A)should be rejected
• B)should not be rejected
• C)should be revised
• D)None of these alternatives is correct.

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Definitions:

Default Rates

The percentage of borrowers who fail to repay their loans according to the terms of their agreements.

Foreclosure Rates

The percentage of properties undergoing the process of legal repossession by lenders due to borrowers' failure to make mortgage payments.

Lending Standards

Regulations and criteria set by financial institutions to determine the qualification of borrowers for loans.

Alt-A Loans

Loans extended with little documentation or verification of the borrowers’ income, employment, and other indicators of their ability to repay. Because of this poor documentation, these loans are risky.