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 6,5,4,5,6,4

Marketing Research 10,10,9,9,10,9

Advertising 7,8,7,6,7,7

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).

c. Using S=0.5, determine where differences between the mean perception scores occur.

Calculate Fisher's LSD value (to 2 decimals).