THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 19

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A restaurant manager was in charge of purchasing new microwaves for his restaurant.The choices were narrowed to two available models.Since the two models cost about the same,the manager was interested in determining whether there was a difference in the amount of power consumed when operated at high voltages.Based on two independent random samples,the following summary information was computed:

-Find a 99% confidence interval for the difference in the amount of power consumed at high voltages by the two models.

• A)0.2 ± 0.86
• B)0.2 ± 0.58
• C)0.2 ± 0.64
• D)0.2 ± 0.77

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Definitions:

Behavioral Contracting

A therapy technique where an agreement is made between two parties to promote a change in behavior.

Operant Conditioning

Operant conditioning is a method of learning that occurs through rewards and punishments for behavior, encouraging the occurrence of desired behaviors.

Systematic Desensitization

A therapeutic technique aimed at reducing anxiety through gradual exposure to the feared object or situation while using relaxation strategies.

Stepwise Regression

A statistical method of building a regression model by adding or removing predictors based on their statistical significance, in a step-by-step procedure.