Managing for Quality and Performance Excellence 9th Edition by James Evans,William Lindsay

Exercise 21

Note: Data sets for many problems in this chapter are available in the Excel workbook C06Data.xlsx on the Student Companion Site. Click on the appropriate worksheet tab as noted in the problem (e.g., Prob. 6-1) to access the data. In addition, the spreadsheet templates illustrated in the chapter are also available to aid in solving many of these problems.
Softswell, a software developer, is trying to determine if any of three potential subcontractors has better programmers in order to outsource a development project. The three subcontractors agreed to test 5 programmers, using a standardized test provided by Softswell, as provided in the data in the Ch06Data Excel workbook. Use the single factor ANOVA Excel tool to determine if there is a significant difference between the scores of programmers at the three contractors at the 5 percent level.