The following data are from an experiment designed to investigate the perception of corporate ethical values among individuals who are in marketing. Three groups are considered: management, research and advertising (higher scores indicate higher ethical values).

Marketing Managers Marketing Research Advertising
6 5 6
5 5 7
4 4 6
5 4 5
6 5 6
4 4

6

  1. Compute the values identified below (to 2 decimals, if necessary).
    Sum of Squares, Treatment
    Sum of Squares, Error
    Mean Squares, Treatment
    Mean Squares, Error
  2. Use = .05 to test for a significant difference in perception among the three groups.Calculate the value of the test statistic (to 2 decimals).
    The p-value is – Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .10greater than .10Item 6

    What is your conclusion?- Select your answer -Conclude the mean perception scores for the three groups are not all the sameCannot conclude there are differences among the mean perception scores for the three groupsItem 7

  3. Using = .05, determine where differences between the mean perception scores occur.Calculate Fisher’s LSD value (to 2 decimals).
    Test whether there is a significant difference between the means for marketing managers (1), marketing research specialists (2), and advertising specialists (3).
    Difference Absolute Value Conclusion
    1 – 2 – Select your answer -Significant differenceNo significant differenceItem 10
    1 – 3 – Select your answer -Significant differenceNo significant differenceItem 12
    2 – 3 – Select your answer -Significant differenceNo significant differenceItem 14