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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. Seven customers were randomly selected and completed both surveys. The results follow.

Customer	Pre-training survey	Post-training survey
A	16	18
B	15	15
C	20	20
D	17	20
E	16	18
F	15	16
G	12	18

For a 0.10 significance level, what is the critical value?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91012342

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