通过测量获得11人的头发硒含量(1000ppm)分别为74、66、88、73、69、91、66、96、58、72、70等11个数据。其中位数是A、91B、69C、73D、66E、68算术均数是A、74.25B、94.75C、76.75D、78.32E、74.91标准差是A、17.54B、19.21C、12.12D、10.56E、11.78变异系数是A、17.81%B、15.73%C、12.35%D、14.23%E、13.51%极差等于A、18B、36C、35D、38E、37众数等于A、74B、66C、73D、91E、88
通过测量获得11人的头发硒含量(1000ppm)分别为74、66、88、73、69、91、66、96、58、72、70等11个数据。其中位数是A、91
B、69
C、73
D、66
E、68
算术均数是A、74.25
B、94.75
C、76.75
D、78.32
E、74.91
标准差是A、17.54
B、19.21
C、12.12
D、10.56
E、11.78
变异系数是A、17.81%
B、15.73%
C、12.35%
D、14.23%
E、13.51%
极差等于A、18
B、36
C、35
D、38
E、37
众数等于A、74
B、66
C、73
D、91
E、88
相关考题：
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