A、variances are equal.
B、population variance is smaller than the sampling distribution variance.
C、population variance is larger than the sampling distribution variance.
D、variances have the same degrees of freedom.
A、variances are equal.
B、population variance is smaller than the sampling distribution variance.
C、population variance is larger than the sampling distribution variance.
D、variances have the same degrees of freedom.
B.A sampling method which involves having a constant sampling interval, the starting point for testing is determined randomly.
C.A sampling method in which the auditor selects a block of contiguous items from within the population.
D.Testing items with a certain characteristiC.
B.They both need a sampling frame of each of the subgroups of the target population.
C.In both of them,researchers want to ensure that all strata are included in the sample in order to enhance the representativeness of the sample and/or to enable comparisons between strA
D.Stratified sampling does not need a sampling frame to generate a stratified sampl
E.
E.In both of them,once the sample number of each subgroup is defined,samples are drawn in simple random sampling or systematic sampling metho
D.
B.Quota sampling
C.Simple random
D.Convenienc
E.Cluster
A、parameters.
B、statistics.
C、both parameters and statistics.
D、neither parameters nor statistics.
A、shift to the right
B、shift to the left
C、have more dispersion
D、have less dispersion
此题为判断题(对,错)。
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!