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
|
- Compute the values identified below (to 2 decimals, 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 - 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
- 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 |