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Confidence Limits for Effective CONC
4 95% Confidence Limits
6
Prob CONC Lower Upper
.05 .56647 -3.84770 2.85881
.10 2.21580 -1.37804 4.16773
.15 3.32860 .26074 5.07834
.20 4.21301 1.53849 5.82675
.25 4.97176 2.60978 6.49374
.30 5.65314 3.54537 7.11917
.35 6.28454 4.38361 7.72745
.40 6.88368 5.14785 8.33582
.45 7.46335 5.85394 8.95775
.50 8.03383 6.51417 9.60447 5
.55 8.60431 7.13957 10.28603
.60 9.18399 7.74123 11.01239
.65 9.78312 8.33117 11.79505
.70 10.41452 8.92330 12.64945
.75 11.09590 9.53492 13.59885
.80 11.85465 10.19024 14.68180
.85 12.73907 10.92882 15.96939
.90 13.85186 11.83099 17.61662
.95 15.50119 13.13222 20.09395
.99 18.59506 15.51028 24.80387

7 Probit Transformed Responses

2

1
Probit

0

-1

2.50 5.00 7.50 10.00 12.50 15.00
CONC

# $: ;Y;

1 ! Probit analysis (" Probit model &6

PROBIT (p) = Intercept + BX