C. The data has a wide range. D. The data is unpredictable. 相关知识点: 试题来源: 解析 B。本题考查标准差的意义。标准差小说明数据比较集中。A 选项数据高度分散是标准差大的情况;C 选项数据范围宽也是标准差大的表现;D 选项数据不可预测与标准差大小无关。反馈 收藏 ...
If the standard deviation is large, it means the data is ___. A. consistent B. homogeneous C. diverse D. similar 相关知识点: 试题来源: 解析 C。如果标准差大,意味着数据是多样的,diverse。选项 A 一致的不符合大标准差的情况;选项 B 同质的也不对;选项 D 相似的也不是大标准差的表现。反馈 ...
a但是不要玩太久的电脑,因为这样会让成绩下降 正在翻译,请等待...[translate] aWhen the standard deviation is greater than 1, it means that investigators have a different recognition to this indicators project. 当标准偏差是大于1时,它意味着调查员有不同的公认到这个显示项目。[translate]...
aT73A命名建议 T73A命名建议[translate] aWhen the standard deviation is greater than 1, it means that investigators have a different recognition for this indicator project. 标准差是大于 1 时,它表示调查人为这个指标项目有不同认可。[translate]...
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题目 The standard error of the meanA.is never larger than the standard deviation of the population.B.decreases as the sample size increases.C.measures the variability of the mean from sample to sample.D.All of the above. 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
If the standard deviation of the market’s returns is 5.8%, the standard deviation of a stock’s returns is 8.2%, and the covariance of the market’s returns with the stock’s returns is 0.003, what is the beta of the stock?A. 0.05.B. 0.89.C. 1.07. 正确答案:B 分享到: 答案解析...
Is High or Low Volatility Better for Stocks? Manyday traderslike high-volatility stocks since there are more opportunities for large swings to enter and exit over relatively short periods of time. Long-term buy-and-hold investors, however, often prefer low volatility where there are incremental,...
The concept of standard deviation is important in risk analysis since standard deviation measure an estimate’s variability. Therefore, the ( ) the standard deviation of an estimate, the ( ) its variability and risk. A. larger, greater B. larger, lesser C. smaller, greater D. smaller, norma...