8 The following data are from an experiment designed to investigate the perception of corporate ethical values among individuals who are in 9. marketing. Three groups are considered: management, research and advertising (higher scores indicate higher ethical values). 10. Marketing Managers Marketing Research Advertising 11. 10 12. 9 10 8 9 13 ulauu a a 9 14 10 10 60 00 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 = .05 to test for a significant difference in perception among the three groups. Calculate the value of the test statistic (to 2 decimals). The n-valle is I lace than 01