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单项选择题
A.statistic
B.population
C.parameter
D.sample
单项选择题
A.nonparametric statistics
B.nominal data
C.descriptive statistics
D.inferential statistics
判断题
判断题
单项选择题
A.binomial
B.uniform
C.normal
D.Possion
单项选择题
A.68%
B.95%
C.99.7%
D.none of the above
单项选择题
A.the variance is not as accurate a measurement as the standard deviation
B.the standard deviation has been corrected for bias while the variance has not
C.the standard deviation is in the same units as the data values.
D.the variance is in the same units as the data values.
单项选择题
A.square
B.absolute value
C.minimum
D.maximum
单项选择题
A.median;mean
B.data point;mean
C.quartile;median
D.data point;median