Math 240

B Module Eight - MAT-240-X4826 , x zy Section 8.1 - MAT 240: Applied St X + .com/zybook/SNHUMAT240Master1/chapter/8/section/1 > MAT 240: Applied Statistics home > hesis tests for the difference between two population means zyBooks catalog A company that develops an automated customer service model is interested in knowing whether two versions, Version A and Version B, will get different ratings from customers. Participants in a focus group are taken through samples from both versions, then take a survey to rate each version. A summary of the data obtained from the study is given below. Assume ratings from the different surveys generally have the same standard deviation. Version A Version B Mean 33.133 28.67 Observations 15 15 Pearson Correlation -0.325 Hypothesized Mean Difference 0,00 df 14 t Stat 1.426 P(T