Concept explainers
Peer mentor training at a firm. Refer to the Journal of Menegerial issues (Spring 2008) study of the impact of peer mentor training at a large software company, Exercise 9.55 (p. 540). Recall that participants volunteered to attend a 1-day peer mentor training sess1on. The trainee's level of competence 1n peer mentoring (measured on a 7-point scale) was measured at three different times in the study: 1 week before training, 2 days after training, and 2 months after training. Data (simulated) for 15 trainees are displayed in the accompanying table. A Minitab non parametric randomized block analysis is also provided below to compare the competence level distributions of the three time periods.
- a. Locate the rank sums on the printout.
- b. Use the rank sums to find the Friedman Fr statistic.
- c. Locate the test statistic and associated p-value on the printout.
- d. Conduct the test and give the appropriate conclusion in the words of the problem.
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Statistics for Business and Economics (13th Edition)
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