描述性统计-正态性检验常用的4种方法 1.直方图2.P-P图Q-Q图4.K-S检验5.SAS软件实现代码
1.直方图
2.P-P图 Q-Q图 4.K-S检验 5.SAS软件实现代码 data xueqing;input x @@;cards;74.3 78.8 68.8 78.0 70.4 80.5 80.5 69.7 71.2 73.579.5 75.6 75.0 78.8 72.0 72.0 72.0 74.3 71.2 72.075.0 73.5 78.8 74.3 75.8 65.0 74.3 71.2 69.7 68.073.5 75.0 72.0 64.3 75.8 80.3 69.7 74.3 73.5 73.575.8 75.8 68.8 76.5 70.4 71.2 81.2 75.0 70.4 68.070.4 72.0 76.5 74.3 76.5 77.6 67.3 72.0 75.0 74.373.5 79.5 73.5 74.7 65.0 76.5 81.6 75.4 72.7 72.767.2 76.5 72.7 70.4 77.2 68.8 67.3 67.3 67.3 72.775.8 73.5 75.0 72.7 73.5 73.5 72.7 81.6 70.3 74.373.5 79.5 70.4 76.5 72.7 77.2 84.3 75.0 76.5 70.4;proc means n mean var std max min range t skewness kurtosis;var x;run;proc univariate plot normal;run;proc capability graphics;histogram x/normal cframe=pink cfill=red;cdfplot/normal cframe=yellow;qqplot x/normal cframe=cyan;run;极速赛车买前5名的方法run;