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一道GMAT数学题!Thearithmeticmeanofadatasetis46andthestandarddeviationofthesetis4.Whichvalueisexactly1.5standarddeviationsfromthearithmeticmeanoftheset?
题目详情
一道GMAT数学题!
The arithmetic mean of a data set is 46 and the standard deviation of the set is 4.
Which value is exactly 1.5 standard deviations from the arithmetic mean of the set?
The arithmetic mean of a data set is 46 and the standard deviation of the set is 4.
Which value is exactly 1.5 standard deviations from the arithmetic mean of the set?
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答案和解析
算术平均的数据集是46,设置的标准偏差是4.
值是1.5标准差的算术平均?
值是1.5标准差的算术平均?
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