The following data are from an experiment designed toinvestigate the perception of corporate ethical values amongindividuals who are in marketing. Three groups are considered:management, research and advertising (higher scores indicate higherethical values).
Marketing Managers | Marketing Research | Advertising |
6 | 8 | 6 |
5 | 8 | 7 |
4 | 7 | 6 |
5 | 7 | 5 |
6 | 8 | 6 |
4 | 7 | 6 |
- Compute the values identified below (to 1 decimal, ifnecessary).
Sum of Squares, Treatment | |
Sum of Squares, Error | |
Mean Squares, Treatment | |
Mean Squares, Error | |
- Use  = .05 to test for a significant difference inperception among the three groups.
Calculate the value of the test statistic (to 2 decimals).
c. The p-value is Selectless than .01between .01 and.025between .025 and .05between .05 and .10greater than .10Item6
What is your conclusion?
Select : Conclude the mean perception scores for the three groupsare not all the same or Cannot conclude there are differences amongthe mean perception scores for the three groups - Using  = .05, determine where differences between themean perception scores occur.
Calculate Fisher's LSD value (to 2 decimals).
Test whether there is a significant difference between the meansfor marketing managers (1), marketing research specialists (2), andadvertising specialists (3).
Difference | Absolute Value | Conclusion |
x 1 - x2 | | Select Significant difference No significant differenceItem10 |
x1 - x3 | | Select Significant difference No significant differenceItem12 |
x 2 - x3 |