two normal population

基本解釋

In this paper, we calculate average deviations and give two kinds of estimate of standard deviation for the normal population.
求出了正態(tài)分布的平均偏差，并由此給出了正態(tài)總體標準差的兩種新估計。
Results show two-week prevalence and chronic desease prevalence are 22.92% and 31. 61 %. They are higher than those of the normal population.
結果顯示肢體殘疾人兩周患病率為22．92％，慢性病患病率為31．61％，均高于一般人群，其患病率受到多種因素的影響。
Methods The myoglobin, troponin test values at several time points of 37 patients were compared with those of the normal population, and the positive rate of the two groups were analyzed.
方法采用化學發(fā)光法對肌紅蛋白、肌鈣蛋白進行測定并與健康人群比較各時點檢測值，分析兩者的陽性率。