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

question 18

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 p-value for this test is

• A)between 0.05 and 0.10
• B)between 0.10 and 0.2
• C)between 0.2 and 0.3
• D)None of these alternatives is correct.

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Definitions:

Positive Reinforcement

A method in behaviorism used to increase the likelihood of a particular response by following it with the addition of something pleasant or rewarding.

Study Harder

Suggests increasing the intensity or dedication with which one engages in learning activities to achieve better academic or knowledge outcomes.

Negative Reinforcement

A type of reinforcement where a response or behavior is strengthened by stopping, removing, or avoiding a negative outcome or aversive stimulus.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, which affects the likelihood of that behavior being repeated.