Homework SourseWhat is the f value 1 13287 2 787 3 14059 4 2658SolutionUsin
What is the f value?
1.) 132.87
2.) 7.87
3.) 140.59
4.) 265.8
Solution
Using technology (In excel, you can go to Data-->Data Analysis-->Anova: SIngle Factor. You may need to install Data Analysis Toolpak first if it is not yet installed.), you can get this summary of one-way anova:
Thus, as we can see,
F = 132.87 [ANSWER, OPTION 1]
| Anova: Single Factor | ||||||
| SUMMARY | ||||||
| Groups | Count | Sum | Average | Variance | ||
| Column 1 | 8 | 472 | 59 | 68.57143 | ||
| Column 2 | 5 | 134 | 26.8 | 12.7 | ||
| Column 3 | 7 | 61 | 8.714286 | 15.2381 | ||
| ANOVA | ||||||
| Source of Variation | SS | df | MS | F | P-value | F crit |
| Between Groups | 9726.321 | 2 | 4863.161 | 132.8671 | 4.19E-11 | 3.591531 |
| Within Groups | 622.2286 | 17 | 36.60168 | |||
| Total | 10348.55 | 19 |
