표 12. | Table 12. 포먼트분산 평균 및 통계 비교 | Comparison of mean formant dispersion and statistical results

Formant dispersion (Hz)	M_L	SD_L	M_N	SD_N	SD ratio	U-test	p-value	SD ratio ≥1.5
i	1,506.27	171.20	1,474.21	190.18	0.9	10,684	0.159
e	1,185.68	155.69	1,310.48	154.86	1.01	5,562	0.000***
ɛ	1,179.66	148.76	1,243.07	128.54	1.16	3,380	0.008**
a	920.7	301.72	853.17	242.64	1.24	13,281	0.000***
u	1,162.76	137.93	1,128.51	138.83	0.99	11,635	0.004**
o	1,264.17	116.18	1,214.68	130.9	0.89	11,615	0.004**
ɔ	1,196.19	158.79	1,086.75	190.72	0.83	13,563	0.000***
y	1,247.03	166.65	1,049.4	105.4	1.58	16,423	0.000***	√
ø	1,119.99	114.13	1,121.72	127.67	0.89	9,641	0.909
œ	1,043.28	134.27	1,011.11	189.95	0.71	10,508	0.217

p<.05,
p<.01,
p<.001.