A.Sample standard deviation divided by the sample size.
B.Population standard deviation multiplied by the sample size.
C.Sample standard deviation divided by the square root of the sample size.
[单选题]A sample of 25 observations has a mean of 8 and a standard deviation of 15.
[单选题]A sample of 25 observations has a mean of 8 and a standard deviation of 15.
[单选题]Annual returns on small stocks have a population mean of 12% and a populati
[单选题]The standard error of the sampling distribution of the sample mean for a sa
[名词解释] standard deviation
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[单选题]Assume that a population has a mean of 14 with a standard deviation of 2. I
[单选题]Standard deviation is least likely an appropriate measure of risk for:A.Hed
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[单选题]Rural环境下,Shadowing Standard Deviation通常选择()dBA.6B.7C.8D.10