题目内容

Which measure should be used to compare the variability between height and weight. ()

A. CV
B. variance
C. range
D. standard deviation
E. inter-quartile range

查看答案

搜索结果不匹配？点我反馈

更多问题

Which measure should be used to describe the central tendency of the symmetrical distribution.()

A. median
B. arithmetic mean
CV
D. inter-quartile range
E. standard deviation

Which measure should be used to describe the dispersion of the skewed distribution. ()

A. range
B. arithmetic mean
CV
D. inter-quartile range
E. median

There is a normal distribution x~N(0, 100), what is the standard deviation:()

A. 0
B. 10
C. 100
D. 10000
E. 1

How much is the area of the normal distribution from μ-1.64σ to μ+1.64σ? ()

A. 95%
B. 90%
C. 97.5%
D. 47.5%
E. 45%