In: Statistics and Probability
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 | 4 | 10 |
4 | 4 | 11 |
3 | 3 | 10 |
4 | 3 | 9 |
5 | 4 | 10 |
3 | 3 | 10 |
Sum of Squares, Treatment | |
Sum of Squares, Error | |
Mean Squares, Treatment | |
Mean Squares, Error |
What is your conclusion?
Conclude the mean perception scores for the three groups are not
all the same
Cannot conclude there are differences among the mean perception
scores for the three groups
c. 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:Significant difference or No significant difference | |
1 - 3 | Select: Significant difference or No significant difference | |
2 - 3 | Select: Significant difference or No significant difference |