摘要
医院用仪器治疗患者的骨密度.从临床症状上来看,效果较好.为了印证这种效果,需要对数据进行统计分析.针对医生提供的数据,在样本服从正态分布的假设下,进行了频数分析、配对检验和方差分析.
Hospital uses a instrument to treating sufferer's density of bone of sufferer.It has a better effect in clinic symptom.It is necessary to perform statistical analysis on data,for confirming this kind of effect.According to data provided by doctor,under the assumption that sample is normal,performed frequency analysis,pair test and variance analysis.
出处
《应用数学》
CSCD
北大核心
2004年第S2期154-158,共5页
Mathematica Applicata
关键词
骨密度
样本均值
配对检验
Density of bone
Samples average
Pair test
