Chi-square table for root starch ratings versus ash flower gall density categories.
| Gall Density Per Tree | Seasonal Change in Root Starch | |||
|---|---|---|---|---|
| Increase | No Change | Decrease | Total | |
| 0-25 | 9 | 19 | 6 | 34 |
| >25 | 14 | 9 | 5 | 28 |
| Total | 23 | 28 | 11 | 62 |
X2 = 4.20; X2 critical value (F = .05, 2 d.f.) = 5.99.