例2.1某年某市120名12岁健康男孩身高资料如表2-1，试编制频数分布表。 表2-1某年某市120名12岁健康男孩身高(cm)测量资料 142.3156.6142.7145.7138.2141.6142.5130.5132.1135.5 134.5148.8134.4148.8137.0151.3140.8149.8143.6149.0 145.2:1418146.8135.1150.3133.1142.7143.9 142.41396 151.1144.0145.4146.2143.3156.3141.9140.7145.9144.4 141.2141.5148.8140.1150.61395146.4143.8150.0142.1 143.5139.2144.7139.3141.9147.8140.51389148.9142.4 134.7147.3138.1140.2137.4145.1145.8147.9146.7143.4 150.8144.5137.1147.1142.91349143.6142.3143.3 140.2 125.9 132.715291479141.8141.4140.9141.4146.7 138.7 160.91542137.9139.9149.7147.5136.91481144.0137.4 134.7138.5138.9137.7138.5139.6143.5142.9 146.5145.4 129.41425141.2148.9154.0147.7152.3146.6139.21399 简历 返回总目绿 返回章录4口>口 结束 第2章定量资料的统计描述 第8页 简 历 返回总目录 返回章目录 结束 第2章 定量资料的统计描述 第8页 例2.1 某年某市120名12岁健康男孩身高资料如表2-1，试编制频数分布表