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单项选择题
A.3 million registered voters in the state.
B.5000 registered voters interviewed.
C.53.6%of,or 2680,voters interviewed who plan to vote for him
D.46.4%of,or 2320,voters interviewed who plan not to vote for him
单项选择题
A.statistic
B.sample
C.population
D.parameter
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.