Interval L M S -3 SD -2 SD -1 SD Median 1 SD 2 SD 3 SD 0-3 mo 0.8792 11.4458 0.11285 7.7 8.9 10.2 11.4 12.7 14.1 15.4 1-4 mo 0.8792 9.495 0.127 6 7.1 8.3 9.5 10.7 11.9 13.2 2-5 mo 0.8792 7.6058 0.15474 4.2 5.3 6.4 7.6 8.8 10 11.2 3-6 mo 0.8792 6.2317 0.18096 3 4 5.1 6.2 7.4 8.5 9.7 4-7 mo 0.8792 5.3243 0.20103 2.3 3.2 4.3 5.3 6.4 7.5 8.6 5-8 mo 0.8792 4.7433 0.21513 1.8 2.8 3.7 4.7 5.8 6.8 7.9 6-9 mo 0.8792 4.3594 0.22535 1.6 2.5 3.4 4.4 5.4 6.4 7.4 7-10 mo 0.8792 4.1002 0.23308 1.4 2.3 3.2 4.1 5.1 6.1 7.1 8-11 mo 0.8792 3.92 0.23935 1.3 2.1 3 3.9 4.9 5.8 6.8 9-12 mo 0.8792 3.7818 0.24526 1.2 2 2.9 3.8 4.7 5.7 6.7 10-13 mo 0.8792 3.6611 0.25157 1.1 1.9 2.8 3.7 4.6 5.6 6.5 11-14 mo 0.8792 3.543 0.25876 1 1.8 2.6 3.5 4.5 5.4 6.4 12-15 mo 0.8792 3.4189 0.26713 0.9 1.7 2.5 3.4 4.3 5.3 6.3 13-16 mo 0.8792 3.292 0.27641 0.7 1.5 2.4 3.3 4.2 5.2 6.1 14-17 mo 0.8792 3.1717 0.2859 0.6 1.4 2.3 3.2 4.1 5 6 15-18 mo 0.8792 3.0649 0.29508 0.6 1.3 2.2 3.1 4 4.9 5.9 16-19 mo 0.8792 2.9758 0.30351 0.5 1.2 2.1 3 3.9 4.8 5.8 17-20 mo 0.8792 2.9068 0.31089 0.4 1.2 2 2.9 3.8 4.8 5.7 18-21 mo 0.8792 2.8507 0.31767 0.4 1.1 2 2.9 3.8 4.7 5.7 19-22 mo 0.8792 2.794 0.32487 0.3 1.1 1.9 2.8 3.7 4.7 5.6 20-23 mo 0.8792 2.7265 0.33332 0.2 1 1.8 2.7 3.7 4.6 5.6 21-24 mo 0.8792 2.6405 0.34377 0.2 0.9 1.8 2.6 3.6 4.5 5.5