Table 1.

Value of b, e(M), SD(M+), and ratio SD(M+)/e(M) derived from the two-parameter logistic model

b	e(M)	SD(M+)	Ratio SD(M+)/e(M)
0.090	7.34	9.04	1.2307
0.092	7.20	8.86	1.2309
0.094	7.06	8.69	1.2310
0.096	6.93	8.53	1.2312
0.098	6.80	8.38	1.2314
0.100	6.68	8.23	1.2315
0.102	6.57	8.09	1.2317
0.104	6.45	7.95	1.2318
0.106	6.35	7.82	1.2320
0.108	6.24	7.69	1.2322
0.110	6.14	7.57	1.2323
0.112	6.05	7.45	1.2325
0.114	5.95	7.34	1.2326
0.116	5.86	7.23	1.2328
0.118	5.78	7.12	1.2330
0.120	5.69	7.02	1.2331
0.122	5.61	6.92	1.2333
0.124	5.53	6.82	1.2334
0.126	5.46	6.73	1.2336
0.128	5.38	6.64	1.2338
0.130	5.31	6.55	1.2339
0.132	5.24	6.47	1.2341
0.134	5.18	6.39	1.2342
0.136	5.11	6.31	1.2344
0.138	5.05	6.23	1.2345
0.140	4.99	6.16	1.2347
0.142	4.93	6.08	1.2349
0.144	4.87	6.01	1.2350
0.146	4.81	5.94	1.2352
0.148	4.76	5.88	1.2353
0.150	4.70	5.81	1.2355