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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
单项选择题
A.approximation theorem
B.normal probability theorem
C.central limit theorem
D.central normality theorem
单项选择题
A.sample based upon information contained in the population
B.population based upon information contained in the sample
C.population based upon information contained in the population
D.mean of the sample based upon the mean of the population
单项选择题
A.P(A) must be equal to P(B)
B.P(A) must be greater thanP(B)
C.P(A) must be less than P(B)
D.P(A) must be equal to P(A│B)