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An investigation of the effectiveness of a training program

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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?


 1.240

1.095

1.440

1.690

Reference no: EM13634854

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