State the null and alternate hypothesis. Recommend the test that will help answer theproblem.

a. Researchers looked at the difference in decision speed for expert and novice (beginner)salespeople faced with the same situation. Decision speed is a ratio dependent variableand the scores are grouped based on whether or not the salesperson is an expert or anovice.

b. The HR department is worried about the productivity of the employee in themanufacturing department. They conducted a training program for the employees. Theywant to analyese the employee performance before and after training.

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Kseadr cher Ilooked af difference in decision speed of on expert ond nouice Ho Sal... View the full answer