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 4 4
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 |
| 4 | 4 | 8 |
| 3 | 4 | 9 |
| 2 | 3 | 8 |
| 3 | 3 | 7 |
| 4 | 4 | 8 |
| 2 | 3 | 8 |
a. Compute the values identified below (to 2 decimal, if necessary).
| Sum of Squares, Treatment | |
| Sum of Squares, Error | |
| Mean Squares, Treatment | |
| Mean Squares, Error |
b. Use to test for a significant difference in perception among the three groups.
Calculate the value of the test statistic (to 2 decimals).
The -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 -Cannot conclude there are differences among the mean perception scores for the three groupsConclude the mean perception scores for the three groups are not all the sameItem 7
c. Using , 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 |
| - Select your answer -No significant differenceSignificant differenceItem 10 | ||
| - Select your answer -No significant differenceSignificant differenceItem 12 | ||
| - Select your answer -No significant differenceSignificant differenceItem 14 |
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