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Level 4

Measures of spread


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spread
传播,伸展
range
范围,幅度
smallest
最小的
largest
最大的
lower
下级的,下等的
upper
上部的,较高的
lower quartile
下四分位数
upper quartile
上四分位数
interquartile range
四分位差
five-number summary
五数概括法
Box-and-whisker plots
盒须图
skewed
歪斜的
skewness
歪斜
variance
方差
standard deviation
标准差