Answered: Training Program (number of sales) 1 78…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 1CYU

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Question

A company wished to study the differences among four sales-training programs on the sales abilities of their sales personnel. Thirty-two people were randomly divided into four groups of equal size and the groups were then subjected to different sales-training programs. Because there were some dropouts due to illness during the training program the number of trainees completing the programs varied from group to group. At the end of the training programs, each salesperson was randomly assigned a sales area from a group of sales areas that were judged to have equivalent sales potentials. The numbers of sales made by each of the four groups of sales people during the first week after completing the training program are listed in the table.

Training Program (number of sales)
1
2
78
3
4
99
74
84
81
86
86
87
63
90
80
71
92
93
83
65
69
94
78
86
73
85
79
97
73
91
70
Perform the appropriate test and give your conclusion.
Do the data present sufficient evidence to indicate a difference in the mean achievement for the
four training programs? Use a = .05.
Fill in the table.
P or Fcritical
DF
MS
Source
SS
APR 1
26
W

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