TABLE 3
Vowel | F | Mean frequency | Standard deviation | ||||
---|---|---|---|---|---|---|---|
Group A | Group B | Both groups pooled | Group A | Both groups pooled | Inc. or dec. | ||
/i/ | 1 | 290 | 270 | 285 | 38 | 46 | + |
2 | 2385 | 2324 | 2373 | 151 | 166 | + | |
3 | 3099 | 3043 | 3088 | 227 | 217 | - | |
/I/ | 1 | 366 | 317 | 356 | 53 | 54 | + |
2 | 2099 | 2096 | 2098 | 112 | 111 | + | |
3 | 2689 | 2728 | 2696 | 133 | 132 | - | |
/E/ | 1 | 574 | 548 | 569 | 44 | 48 | + |
2 | 1986 | 1881 | 1965 | 115 | 124 | + | |
3 | 2637 | 2634 | 2636 | 143 | 139 | - | |
/æ/ | 1 | 744 | 762 | 748 | 98 | 101 | + |
2 | 1746 | 1744 | 1746 | 93 | 103 | + | |
3 | 2441 | 2537 | 2460 | 136 | 123 | - | |
/A/ | 1 | 677 | 679 | 677 | 87 | 95 | + |
2 | 1073 | 1119 | 1083 | 118 | 118 | = | |
3 | 2509 | 2663 | 2540 | 191 | 187 | - | |
/Q/ | 1 | 606 | 567 | 599 | 46 | 67 | + |
2 | 886 | 910 | 891 | 172 | 159 | - | |
3 | 2592 | 2655 | 2605 | 227 | 219 | - | |
/O/ | 1 | 461 | 403 | 449 | 64 | 66 | + |
2 | 740 | 728 | 737 | 88 | 85 | - | |
3 | 2642 | 2609 | 2635 | 190 | 183 | - | |
/U/ | 1 | 386 | 336 | 376 | 60 | 62 | + |
2 | 956 | 929 | 950 | 109 | 109 | = | |
3 | 2436 | 2454 | 2440 | 150 | 144 | - | |
/u/ | 1 | 315 | 287 | 309 | 32 | 37 | + |
2 | 934 | 955 | 939 | 121 | 142 | + | |
3 | 2329 | 2257 | 2320 | 143 | 141 | - | |
/V/ | 1 | 718 | 739 | 722 | 102 | 105 | + |
2 | 1235 | 1239 | 1236 | 73 | 70 | - | |
3 | 2517 | 2606 | 2537 | 182 | 176 | - | |
/3/ | 1 | 586 | 563 | 581 | 47 | 46 | - |
2 | 1376 | 1399 | 1381 | 76 | 76 | = | |
3 | 2428 | 2467 | 2436 | 249 | 231 | - |