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

question 10

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. The test statistic is

• A)1.50
• B)0.67
• C)1.56
• D)2.25

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Definitions:

Managed Care

A health care delivery system aimed at managing cost, quality, and utilization of services, often involving pre-arranged networks of providers and significant oversight of care.

Satisfaction

The state of being content or pleased with an outcome, service, or situation.

Quality of Care

The degree to which health care services for individuals and populations increase the likelihood of desired health outcomes and are consistent with current professional knowledge.

Managed Care

A healthcare delivery system designed to manage cost, utilization, and quality, often through coordination of care and provider networks.