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

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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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