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An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post- training customer survey. To compare the differences, they computed (post-training survey score - pre-training survey score). Nine customers were randomly selected and completed both surveys. The results are shown below. Customer A B C D E F G H I Pre-survey 16 15 19 17 16 18 20 13 16 Post-survey 18 16 16 17 19 20 20 16 14

An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post- training customer survey. To compare the differences, they computed (post-training survey score - pre-training survey score). Nine customers were randomly selected and completed both surveys. The results are shown below. Customer A B C D E F G H I Pre-survey 16 15 19 17 16 18 20 13 16 Post-survey 18 16 16 17 19 20 20 16 14

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post- training customer survey. To compare the differences, they computed (post-training survey score - pre-training survey score). Nine customers were randomly selected and completed both surveys. The results are shown below. Customer A B C D E F G H I Pre-survey 16 15 19 17 16 18 20 13 16 Post-survey 18 16 16 17 19 20 20 16 14
Transcribed Image Text:An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post- training customer survey. To compare the differences, they computed (post-training survey score - pre-training survey score). Nine customers were randomly selected and completed both surveys. The results are shown below. Customer A B C D E F G H I Pre-survey 16 15 19 17 16 18 20 13 16 Post-survey 18 16 16 17 19 20 20 16 14
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