A company conducted a consumer research project to ascertain customer service ratings from its customers. The customers were asked to rate the company on a scale from 1 to 7 on various quality characteristics. One question was the promptness of company response to a repair problem. The following data represents customer responses to this question. The customers were divided by geographic region and by age.
Use analysis of variance to analyze the responses. Let α = .05. Compute multiple comparisons where they are appropriate. Graph the cell means and observe anyinteraction.

  • CreatedFebruary 19, 2015
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