研究下面的数据资料和相关的统计图，你有什么发现？（一）、你知道吗？1.321.361.361.401.401.441.441.481.481.521.521.561.561.601.601.641.641.681.681.721.721.76男12582129218521女1249222822941身高人数性别1、男生、女生身高人数统计表身高：米年龄：12岁2、男生身高统计图3、女生身高统计图•(1)、研究上面的数据资料和相关的统计图，你有哪些发现？•（答：在同一年龄组中，中等身材者占多数，高个和矮个数较少。）(1)、青少年男生身高与体重标准对照表•注意：比对方法：对比学生年龄，横轴分別代表第3、5、10、25、30、50、70、75、90、95、97百分位，小于第3百分位为下等身高，大于第97百分位为上等身高。•全国城镇男生身高百分位数（厘米）•下中下中中上上•年龄（岁）P3P5P10P25P30P50P70P75P90P95P97••7111.8113.1114.8117.8118.5121.2124.0124.8128.1130.3131.5•8115.8117.0119.0122.2122.9125.8128.6129.5133.0135.0136.3•9120.4121.5123.5127.0127.8130.9133.9134.7138.1140.3141.710124.6126.0128.1131.5132.4135.4138.5139.4143.0145.2146.8•11129.0130.4132.6136.2137.1140.3143.7144.7148.6151.0152.9•12132.5133.9136.4140.3141.3144.9148.7149.8155.0158.1160.0•13138.7140.2143.0148.0149.2153.5158.1159.4164.3176.2168.9•14144.4146.4149.5155.0156.4160.6164.4165.5169.6172.2173.5•15150.8153.0156.0160.5161.6165.1168.4169.4173.2175.4176.8•16156.3157.6160.2163.7164.7167.7170.8171.6175.1177.1178.6•17158.3159.6161.7165.3166.3169.3172.2173.1176.7178.7180.1•18159.0160.3162.3165.8166.6169.6172.7173.5177.2179.3180.9(三）分析下面男女身高等级评价表(2)、青少年女生身高百分位数（厘米）•下中下中中上上•年龄（岁）P3P5P10P25P30P50P70P75P90P95P97••7110.9112.0114.0116.8117.6120.1122.7123.5126.8128.8130.1•8115.0116.2118.1121.3122.1124.9127.8128.7132.2134.6136.1•9119.9121.1123.0126.4127.3130.4133.5134.4138.2140.5142.2•10124.5125.7127.9131.7132.6136.1139.5140.5144.8147.4149.1•11129.5131.1133.7137.7138.8142.4146.1147.2151.5154.0155.6•12134.1136.0138.6143.0144.1148.0151.4152.5156.3158.5159.9•13141.8143.4145.7149.6150.5153.7156.6157.4160.7162.7164.1•14145.3146.8148.8152.0152.9155.7158.7159.4162.5164.4165.7•15147.0148.3150.0153.3154.01...
