基于频数分布7～10岁女童中间体的研究

An Approach to Sampling Range of Bodies of Girls between 7 to 10 Years Old Based on Frequency

通过对西安市90位7-10岁女童的体型进行测量，得到样本数据，运用频数分布法分析其基本部位，得出代表7-10岁女童中间体身高以及胸围的取值范围.

Original sample data were taken from 90 girls at 7 to 10 years old in Xi＇an, and calculated by frequency, and finally the value of average height and breast of girls between 7 to 10 years old was drawn.