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

question 51

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 pre-test score as µ₁ for population 1 and post-test score as µ₂ for population 2, or µ_D as the difference calculated as pre-test score minus post-test score. Which of the following is the correct conclusion for the test at α = 0.05?

• A) Given the critical value 1.645, we conclude that training increases scores on average.
• B) Given the critical value 2.015, we conclude that training increases scores on average.
• C) Given the critical value −2.015, we conclude that training increases scores on average.
• D) Given the critical value −1.645, we conclude that training increases scores on average.

---

Definitions:

Self-Report Bias

A bias that occurs when respondents to a survey or study may not accurately or truthfully respond to questions, affecting the validity of the data.

Placebo Effect

The phenomenon where a patient experiences a perceived improvement in condition due to their belief in the efficacy of the treatment, regardless of its actual effectiveness.

Subliminal Messages

Signals below the threshold of conscious awareness, designed to influence thoughts, feelings, or actions.

Weight-Loss

The reduction of total body mass due to a mean loss of fluid, body fat or adipose tissue, and/or lean mass.