学术语境:在科学研究或学术讨论中,如“In a normally distributed set of data, the mean is the center point.”(在一组正态分布的数据中,均值是中点。)这里,“normally distributed”用于描述数据的分布状态。 新闻报道:在报道社会事件或现象时,如“The city's traffic is norma...
We can create a probability density function of normally distributed measurements by computing the standard deviation and mean of the data set. This probability density function is an idealized mathematical equivalent of the shape that we observe in the data set’s histogram. We obtain...
1. Suppose a normally distributed set of data with 2600 observations has a mean of 119 and a standard deviation of 15. Use the 68-95-99.7 Rule to determine the number of observations in the data set expected to be belowa value of 164. Round...
翻译：如果这一堆观测量是正态分布的，那么这些观测量中有百分之多少的观测量是距离平均值大于1.3个标准差的（那个符号是标准差的意思）因为任何正态分布的变量都可以转化成标准正态分布变量（所有变量减去均值以后再除以标准差）之后就可以查询标准正态分布比例表了，Φ(z=1.3)-Φ(z=-1.3)=0.9...
a从走路姿势看性格 From walks the posture to look at the disposition[translate] adata are presented as mean SD for normally distributed variables and medians and interquartile ranges for skewed variables 数据被提出作为卑鄙SD为通常分布的可变物和中点和四分位差为被歪曲的可变物[translate]...
Analyzing normally distributed data. In: Matthews DE, Farewell VT, editors. Using and understanding medical statistics. 2nd ed. Basel: Karger; 1988. p. 103-19.Matthews DE, Farewell VT. Analyzing normally distributed data. In: Matthews DE, Farewell VT, editors. Using and understanding medical...
set.seed(1234)x <- rnorm(1 )mu.raw.x <- all.moments( x, order.max=6 ) all.cumulants( mu.raw.x )M <- matrix( x, nrow=1 , ncol=1 )mu.raw.M <- all.moments( M, order.max=6 ) all.cumulants( mu.raw.M )D <- data.frame( M )mu.raw.D <- all.moments( D, order.ma...
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Here, N is the total number of data, X is each individual data of the set, and {eq}\mu {/eq} is the mean. Answer and Explanation: Given- The mean of the normally distributed data of the test is {eq}\mu =475 {/eq}, th...
百度试题 结果1 题目 A set of 500 values is normally distributed with a mean of 24 and a standarddeviation of 2.What percent of the data is i ntheintervaI22-26? 相关知识点: 试题来源: 解析 68.3% 反馈 收藏