〖例7-2〗某地101例30～49岁健康男子血清总胆固醇值（x,mmol/L）测定结果如表7-2，试进行频率分析并绘制直方图。表7-2健康男子血清总胆固醇值4.773.376.143.953.564.234.314.715.694.124.564.375.396.305.217.225.543.935.216.515.185.774.795.125.205.104.704.743.504.694.384.896.255.324.504.633.614.444.434.254.035.854.093.354.084.795.304.973.183.975.165.105.864.795.344.244.324.776.366.384.885.553.044.553.354.874.175.855.165.094.524.384.314.585.726.554.764.614.174.034.473.403.912.704.604.095.965.484.404.555.383.894.604.473.644.345.186.143.244.903.05数据文件：Frequcen2.sav
