Homework SourseThe following information applies to the questions displayed
[The following information applies to the questions displayed below.]
Oxnard Petro, Ltd., has three interdisciplinary project development teams that function on an ongoing basis. Team members rotate from time to time. Every 4 months (three times a year) each department head rates the performance of each project team (using a 0 to 100 scale, where 100 is the best rating). Are the main effects significant? Is there an interaction?
Fill in the missing data. (Round your Table of Means values to 1 decimal place, SS and F values to 2 decimal places, MS values to 3 decimal places and p-value to 4 decimal places.)
| Oxnard Petro, Ltd., has three interdisciplinary project development teams that function on an ongoing basis. Team members rotate from time to time. Every 4 months (three times a year) each department head rates the performance of each project team (using a 0 to 100 scale, where 100 is the best rating). Are the main effects significant? Is there an interaction? |
Solution
As p is nearly 1, accept null hypothesis that all means are independent.
They do not interact
| Year | Marketing | Engineering | Finance |
| 2004 | 89 | 83 | 87 |
| 88 | 75 | 95 | |
| 82 | 81 | 80 | |
| Mean | 86.3333333 | 79.66667 | 87.33333 |
| 2005 | 85 | 85 | 88 |
| 89 | 81 | 98 | |
| 83 | 81 | 75 | |
| Mean | 85.6666667 | 82.33333 | 87 |
| 2006 | 86 | 67 | 86 |
| 87 | 70 | 85 | |
| 90 | 69 | 86 | |
| Mean | 87.6666667 | 68.66667 | 85.66667 |
| Total mean | 86.5555556 | 76.88889 | 86.66667 |
| std dev | 2.33624157 | 5.907204 | 6.530555 |
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