The following example of a relatively complex chi-square analysis is the same as was computed using Excel in class.
Conclusion based on the results of the chi-square analysis is that the results are significant.
| Observed | Expected | ||||||
| Treartment | O | E | E-O | (E-O)2 | (E-O)2/E | ||
| A | 5 | 8 | -3 | 9 | 1.13 | df = | 11 |
| B | 12 | 8 | 4 | 16 | 2.00 | P = | 19.68 |
| C | 5 | 11 | -6 | 36 | 3.27 | ||
| D | 9 | 9 | 0 | 0 | 0.00 | ||
| E | 15 | 18 | -3 | 9 | 0.50 | ||
| F | 7 | 14 | -7 | 49 | 3.50 | ||
| G | 8 | 3 | 5 | 25 | 8.33 | ||
| H | 18 | 14 | 4 | 16 | 1.14 | ||
| I | 5 | 13 | -8 | 64 | 4.92 | ||
| J | 6 | 6 | 0 | 0 | 0.00 | ||
| K | 4 | 1 | 3 | 9 | 9.00 | ||
| L | 21 | 10 | 11 | 121 | 12.10 | ||
| 115 | 115 |
Sum Trt = |
45.90 |