So from a Z-table's point of view, this Z-table gives you the cumulative probability up to that Z-value.
因此,从 Z 表的角度来看,此 Z 表为您提供了达到该 Z 值的累积概率。
单词 | Cumulative probability |
释义 |
Cumulative probability
原声例句
可汗学院:统计学(视频版) So from a Z-table's point of view, this Z-table gives you the cumulative probability up to that Z-value. 因此,从 Z 表的角度来看,此 Z 表为您提供了达到该 Z 值的累积概率。 可汗学院:统计学(视频版) We're not going to look up 95%, because a Z table gives us the cumulative probability up to that critical Z value. 我们不会查找 95%,因为 Z 表为我们提供了达到该临界 Z 值的累积概率。
中文百科
累积分布函数 Cumulative distribution function(重定向自Cumulative probability)
累积分布函数,又叫分布函数,是概率密度函数的积分,能完整描述一个实随机变量X的概率分布。一般以大写“CDF”(Cumulative Distribution Function)表记。 对于所有实数x ,累积分布函数定义如下:
英语百科
Cumulative distribution function 累积分布函数(重定向自Cumulative probability)
![]() ![]() ![]() In probability theory and statistics, the cumulative distribution function (CDF) of a real-valued random variable X, or just distribution function of X, evaluated at x, is the probability that X will take a value less than or equal to x. In the case of a continuous distribution, it gives the area under the probability density function from minus infinity to x. Cumulative distribution functions are also used to specify the distribution of multivariate random variables. |
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