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
9	8	8
8	8	9
7	7	8
8	7	7
9	8	8
7	7	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 a=0.05 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

What is your conclusion? __________

c.Using a=0.05 , 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
x1- x2	_________
x1- x3	______
x2 - x3	________