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
5 8 11
4 8 12
3 7 11
4 7 10
5 8 11
3 7 11Compute the values identified below (to 1 decimal, if necessary).
Sum of Squares, Treatment
Sum of Squares, Error
Mean Squares, Treatment
Mean Squares, Error
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 Selectless than .01between .01 and .025between .025 and .05between .05 and .10greater than .10Item 6

What is your conclusion?
SelectConclude 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

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 SelectSignificant differenceNo significant differenceItem 10
1 - 3 SelectSignificant differenceNo significant differenceItem 12
2 - 3 SelectSignificant differenceNo significant differenceItem 14