A New Sales Training Program Has Been Instituted at a Rent-To-Own

question 27

Multiple Choice

A new sales training program has been instituted at a rent-to-own company.Prior to the training,10 employees were tested on their knowledge of products offered by the company.Once the training was completed,the employees were tested again in an effort to determine whether the training program was effective.Scores are known to be normally distributed.The sample scores on the tests are listed next.Use pretest score as µ₁ for population 1 and posttest score as µ₂ for population 2,orµ_D as the difference calculated as pretest score minus posttest score. Which of the following is the value of the appropriate test statistic?

• A) t₅ = −2.4947
• B) t₅ = 2.4947
• C) z = −2.4947
• D) z = 2.4947

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Definitions:

Nociceptors

Sensory receptors that detect signals from damaged tissue and transmit information about pain to the central nervous system.

Neurons

Specialized cells of the nervous system that transmit signals to different parts of the body, functioning as the basic units of communication.

Müller-Lyer Illusion

A visual illusion in which two lines of equal length appear to be different lengths because of the orientation of arrow-like figures at their ends.

Perceptual Organization

The process by which the brain structures sensory stimuli into meaningful patterns or objects.