Statures of Toronto boys, grouped in quarter-year periods-Continued. 0 to 2 3 to 5 6 to 8 9 to 11 0 to 23 to 5 6 to 8 9 to 11 0 to 2 3 to 5 6 to 8 9 to 11 Average height 135.3 Mean varia tion.. 5.60 +6.06 ±6.28±6.39 ±6.63 +6.53 ±6.336.97 +7.38 7.31 ±8.30 134.9 136.5 137.1 138.6 139.4 140.1 141.6 142.8 145.3 145.5 117.1 7.54 13 years and 13 15 1 Statures of Toronto girls, grouped in quarter-year periods. Average height Mean varia tion. +4.82 ±4.01 +4.69 +4.97 ±4.13 +5.25 +4.61 +4.93 ±5.00 +4.94 ±5.16 103.6 104.2 104.9 106.8 108.9 109.4 110.6 111.6 114.9 115.7 115.9 117.1 47 84 115 117 110 128 188 171 134 186 226 213 +5.74 Statures of Toronto girls, grouped in quarter-year periods—Continued. Cases 192 230 231 Average height.. 186 207 238 203 118.9 119.7 121.3 122.4 123.55 124.98 125.72 126.47 129.11 129.75 131.81 132.17 180 199 229 212 Mean variation. +5.23 ±5.60 +5.08 +5.46 +4.95 ±4.97 +5.28 +5.50 +5.59 5.70 ±6.15 16.13 |