2 standard deviation（sd）是2倍sd的意思吗,可以这样省略比较级?A list of numbers has a mean of a standard deviation of 2.5.If x is a number in the list that is 2 standard deviations above the mean,what is the value of 这是新GRE官

one standard deviation是什么意思 standard deviation;root-mean-square deviation是什么意思 Calulated using the standard deviation calculated using the standard deviation是什么意思 percent standard deviation是什么意思如何计算 Calculated using the standard deviation 24. 翻译：calcuated using the standard deviation a full student-level standard deviation 是什么意思? mean和standard deviation的关系是什么来着... Calculated using the standard deviation 16.就一个英文句子, calcuated useing the standard deviation 、calcuate other deviations、 2 standard deviation（sd）是2倍sd的意思吗,可以这样省略比较级?A list of numbers has a mean of a standard deviation of 2.5.If x is a number in the list that is 2 standard deviations above the mean,what is the value of 这是新GRE官 A list of numbers has a mean of 8 and a standard deviation of 2.5.If x is a number in the list that is 2 standard deviations above the mean,what is the value of standard deviation同mean deviation有什么不同?两者其实是什么东西?“同”字换成“和”字(打错了) 没读明白A list of numbers has a mean of 8 and a standard deviation of 2.5.If x is a number in the list that is 2 standard deviation above the mean,what is the value of 单词没问题但题没看懂, 英语翻译Mean squared errorMean absolute error (MAE)Standard deviation of MAEMean relative error (MRE)Standard deviation of MRE% data within 5% errorcoefficient of determination standard deviation above the average score”explain what“1 standard deviation above the average scoremeans。能用英语回答就更好了， the error bars are set equal to one standard deviation 翻译