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

question 104

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 mean of the difference calculated as pretest score minus posttest score. Which of the following are the appropriate hypotheses to determine if the training increases scores?

• A) H₀: µ₁- µ₂ ≥ 0,H_A: µ₁- µ₂ < 0
• B) H₀: µ₁- µ₂ ≤ 0,H_A: µ₁- µ₂ > 0
• C) H₀: µ_D ≥ 0,H_A: µ_D <0
• D) H₀: µ_D ≤ 0,H_A: µ_D >0

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Definitions:

Seasonal Influenza

An infectious respiratory illness caused by influenza viruses that occur seasonally, typically in the fall and winter.

Age-Specific Mortality Rate

The death rate within a specific age group in a population during a certain time period.

Disease X

A placeholder name given by the World Health Organization to represent a hypothetical, unknown pathogen that could cause a future epidemic.

Younger Than 65

A demographic criterion often used in research and healthcare to define a population segment that does not fall into the senior age group, typically below the age of 65.