THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 5

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The mean household income,in dollars,must be estimated for a town that is divided into three districts.The relevant information is shown in the table.

A 95% confidence interval for the population mean that extends $550 on each side of the sample estimate is required.
-Determine how many sample observations are needed under the optimal allocation scheme.

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Definitions:

Conditioned Reinforcer

A stimulus that gains its reinforcing power through its association with a primary reinforcer; also known as a secondary reinforcer.

Primary Reinforcer

An innately reinforcing stimulus like food or drink, which does not require learning to become pleasurable or satisfying.

Negative Reinforcer

An aversive stimulus whose removal following a behavior increases the likelihood that the behavior will occur again in the future.

Positive Reinforcer

A prompt that, once introduced post-behavior, amplifies the chances of the behavior recurring.