In a normal distribution, what percentage of data falls within one standard deviation of the mean? A. 34% B. 68% C. 95% D. 99.7% 相关知识点: 试题来源: 解析 B。在正态分布中,约 68%的数据落在均值加减一个标准差的范围内。反馈 收藏 ...
the round-off error is within one standard deviation of the mean.均值mean=0 标准差standard deviation约等于2.8 .请问是0两边都加2.8还是整个区域内只有2. 相关知识点: 试题来源: 解析 standard deviation 是一个概念. 这个概念,说的是,这一组数据,有多么分散,或是聚拢. 在+/- 1σ 之内,68% 的数据...
结果1 题目 In a normal distribution, 68% of the scores lie within one standard deviation of the mean. If the SAT scores of all the high school juniors in Center City followed a normal distribution with a mean of 500 and a standard deviation of 100, and if 10,200 students scored ...
gre 数学题 请教In a normal distribution, 68% of the scores lie within one standard deviation of the mean. If the SAT scores of all the high school juniors in Center City followed a normal distribution with a mean of 500 and a standard deviation
aThe envelope around the posterior consists of posterior densities with hyperparameter values within one standard deviation of the estimated hyperparameters. 信封在后部附近在估计的hyperparameters的一标准偏差之内包括后部密度以hyperparameter价值。[translate]...
这是道数学问题意思是说分数或比数中大概有多少部分是在平均值(MEAN)的标差值(STANDARD DEVIATION)的范围内?因为我以前做的也是英文的中文的翻译可能有点没那么标准.相关推荐 1关于标准偏差的问题(英文)about what proportion of the scores are within two standard deviations of the mean?这句话是什么意思呀?反...
within 1 standard deviation 就是平均数+-标准差*1
Problem Solving_A certain characteristic in a large population has a distribution that is symmetric about the mean m. If 68 percent of the distribution lies within one standard deviation d of the mean, what percent of the distribution is less than m + d
aWe're sorry but the details you've entered are incorrect. Please re-enter your details and try again 我们很抱歉,但您输入的细节是不正确的。 请再进入您的细节并且再试一次[translate] aThe standard deviation within each 标准偏差在其中每一之内[translate]...
What does "a bag weighing within 5% of the mean" mean in the paragraph as below?The weight of a bags of flour has a mean of 5 pounds with a standard deviation of 0.16 of a pound.Given the weight is normal distributed,what is the probability of a bag weighing within 5% of the mean...