Mathematics, 08.07.2021 15:20, yeld
The marketing director of FireStone. com was concerned about the performance of their call center employees. He found that average call times were higher than industry average. The manager decides to invest in a program to train his call center employees i techniques to resolve customer concerns in a timely fashion. With the new training, the manager hoped that the call waiting times would reduce. In order to test if this had in fac happened, the manager randomly chose 15 call center employees and recorded the average call length (average time spent on a single customer call) for a one-week period before and after each of the 15 employees received training.
Required:
State the appropriate hypothesis, run the appropriate test using SPSS and provide interpretation. Use α0 = 0.05
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