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:

Localization

The concept that specific parts of the brain are associated with specific functions or behaviors.

Hertz

The unit of frequency in the International System of Units (SI), defined as one cycle per second.

Frequency

The rate at which something occurs over a particular period or in a given sample, often used in the context of waves or sound.

Kinesthetic

Relating to kinesthesia, the awareness of the position and movement of the parts of the body by means of sensory organs in the muscles and joints.