Question: The personnel manager of a large insurance company wishes to evaluate the effectiveness of four different sales-training programs designed for new employees. A group of 32 recently hired college graduates are randomly assigned to the four programs so that there are eight persons in each program. At the end of the month-long training period, an exam was administered to the respondents.

PROGRAMS

A B C D

66 72 61 63

74 51 60 61

82 59 57 76

75 62 60 84

73 74 81 58

97 64 55 45

87 78 70 69

88 53 71 70

Use EXCEL.

Use an alpha of .05

Use the one-way F test for independent groups to determine whether the different sales-training programs differ significantly. Do you reject Ho? What is the critical level of F? What is your F statistic?

Discuss the findings in a summary that the personnel manager might sent to the vice-president of the company, i.e. in words that these non-statisticians will understand.