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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 post-test score as µ2 for population 2, or µD as the mean of the difference calculated as pre-test score minus post-test score. Which of the following are the appropriate hypotheses to determine if the training increases scores?
Stratification System
The hierarchical arrangement of individuals and groups in societies based on wealth, power, race, education, ethnicity, or other social distinctions, influencing access to resources and opportunities.
Unequally Distributed
Referring to an uneven allocation or dispersion of resources, rights, or assets among different groups or individuals.
Credential Inflation
The devaluation of educational or professional qualifications due to the increasing number of people attaining these credentials, making it more difficult to secure jobs without higher levels of education.
Certificates
Official documents attesting to the truth of certain facts or the completion of specific requirements, often relating to education, qualification, or ownership.
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