Table 4. Chi-squared test for goodness of fit of the distribution of ranges of gluten content of (A) each RP-HPLC group to the one of the whole set of accessions, and (B) of accessions with less and more of 10 ppm of gluten content to the one of whole set of accession.
| Pattern I | Pattern II | Pattern III | Other | All | |
|---|---|---|---|---|---|
| O (E) | O (E) | O (E) | O (E) | O | |
| (A) | |||||
| <3 ppm | 5 (2.4) | 0 (1.8) | 1 (0.8) | 0 (0.9) | 6 |
| 3–10 ppm | 20 (11.2) | 3 (8.5) | 2 (3.8) | 3 (4.4) | 28 |
| 10–20 ppm | 9 (15.6) | 18 (11.9) | 5 (5.3) | 7 (6.2) | 39 |
| 20–30 ppm | 1 (5.2) | 4 (4.0) | 5 (1.8) | 3 (2.1) | 13 |
| 30–40 ppm | 2 (3.2) | 4 (2.4) | 0 (1.1) | 2 (1.3) | 8 |
| >40 ppm | 1 (0.4) | 0 (0.3) | 0 (0.1) | 0 (0.2) | 1 |
| χ2 | 13.2 | 7.22 | 6.04 | 1.31 | |
| p | 0.02 | 0.21 | 0.30 | 0.93 | |
| (B) | |||||
| <10 ppm | 25 (13.6) | 3 (10.4) | 3 (4.7) | 3 (5.4) | 34 |
| >10 ppm | 13 (24.4) | 26 (18.6) | 10 (8.3) | 12 (9.6) | 61 |
| χ2 | 14.9 | 8.17 | 0.44 | 1.63 | |
| p | 0.00 | 0.00 | 0.51 | 0.20 | |
O: Observed; E: Expected. p: probability of (χ2) of (A) 5 degrees of freedom and (B) 1 degree of freedom. All Some comparisons included a cell size less than five. A Yates’ correction for continuity was applied.