(0.6348+0.6337+0.6347+0.6343+0.6340)=2.5372
平均值=3.1715/5=0.6343
平均偏差=[(0.6348-0.6343)+(0.6343-0.6337)+(0.6347-0.6343)+(0.6343-0.6343)+(0.6343-0.6340)]/5=0.00036
相对平均偏差=0.00036/0.6343=0.0568%
标准偏差=0.000000215开平方=0.0004636
相对标准偏差=0.0004636/0.6343=0.0731%