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Table 2

Confidence intervals for different redshifts for n ≥ 12 comparing data obtained with the VLT by Srianand (2013, priv. comm.) (group III) with data obtained with Keck by Murphy et al. (2003) and King et al. (2012) (group I).

z Δz Reported interval Confidence interval β for α = 0.05
(1) (2) (3) (4) (5)

0.452 0.546 (−0.92, −7.99 × 10-2) (−1.56,0.99) 0.89
0.822 0.153 (−0.60,1.20) (−0.79,0.75) 0.84
0.859 0.137 (−0.34,1.04) (−0.46,0.40) 0.68
0.873 0.109 (−5.00 × 10-2,1.05) (−0.52,0.32) 0.67
0.942 0.150 (−2.05,0.35) (−1.29,6.08 × 10-2) 0.81
1.182 0.141 (−0.56,0.96) (−1.48,0.23) 0.85
1.243 0.153 (−3.30, −0.50) (−1.73, −0.31) 0.82
1.277 0.130 (−0.90,0.90) (−1.21, −2.13 × 10-2) 0.79
1.348 0.231 (1.25,3.15) (−1.17, −0.19) 0.73
1.439 0.290 (−1.01,0.61) (−1.27, −0.35) 0.70
1.555 0.424 (−0.31,0.71) (−1.28, −0.38) 0.70
1.636 0.333 (−0.90,0.30) (−1.60, −0.35) 0.80
1.637 0.331 (−0.40,1.80) (−1.60, −0.35) 0.80
1.657 0.362 (0.10,1.10) (−1.60, −0.35) 0.80
1.858 0.264 (−0.37,0.77) (−1.74,0.53) 0.88
1.915 0.294 (−9.99 × 10-2,1.30) (−1.77,0.64) 0.89
2.022 0.237 (−2.30, −0.70) (−0.97,1.13) 0.87
2.168 0.283 (−9.99 × 10-2,1.50) (−2.02,0.36) 0.89
2.185 0.249 (5.00 × 10-2,3.15) (−2.02,0.36) 0.89
2.187 0.245 (−0.70,0.70) (−2.02,0.36) 0.89
2.300 0.313 (−0.70,0.90) (−2.35, −4.75 × 10-2) 0.88

Notes. Columns:

(1)

redshift reported by group III;

(2)

length of the redshift interval for which the confidence interval is calculated;

(3)

single value reported by group III in units of 10-5;

(4)

calculated confidence interval from a group of data reported by group I in units of 10-5;

(5)

type II error probability.

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