聯合變異數的意思、翻譯和例句

是什麼意思

「聯合變異數」是統計學和機率論中的一個概念,用來衡量兩個隨機變數之間的變異關係。具體而言,聯合變異數是指兩個變數的變異程度同時考慮,反映了這兩個變數如何共同變化。它的計算通常涉及到這兩個變數的期望值和它們的協方差。

依照不同程度的英文解釋

  1. A way to see how two things change together.
  2. How two variables vary at the same time.
  3. A measure of how two things are related.
  4. A statistic that shows the relationship between two variables.
  5. A calculation that helps understand how two things influence each other.
  6. A statistical measure that indicates how two random variables vary together.
  7. A method to quantify the extent to which two variables change in relation to each other.
  8. A mathematical representation of the joint variability of two random variables.
  9. A concept that describes the covariance between two random variables.
  10. A measure that captures the degree of variation shared by two variables.

相關英文單字或片語的差別與用法

1:Joint Variance

用法:

通常用於描述兩個隨機變數的變異程度,反映了它們之間的關聯性。這個概念在多變量統計分析中非常重要,因為它幫助研究者理解變數之間的相互影響。

例句及翻譯:

例句 1:

我們需要計算這兩個變數的聯合變異數來分析它們的關係。

We need to calculate the joint variance of these two variables to analyze their relationship.

例句 2:

聯合變異數的計算可以幫助我們理解變數之間的相互影響。

Calculating the joint variance can help us understand the interaction between the variables.

例句 3:

在多變量分析中,聯合變異數是非常重要的指標。

In multivariate analysis, joint variance is a very important indicator.

2:Covariance

用法:

是用來描述兩個隨機變數之間的關係的統計量。當兩個變數同時增加或減少時,協方差為正;當一個變數增加而另一個變數減少時,協方差為負。這個概念在回歸分析和風險管理中非常重要。

例句及翻譯:

例句 1:

協方差可以幫助我們理解兩個變數之間的關聯。

Covariance can help us understand the relationship between two variables.

例句 2:

高協方差表明這兩個變數有強烈的正相關。

A high covariance indicates a strong positive correlation between the two variables.

例句 3:

在金融中,協方差用於評估資產之間的風險關係。

In finance, covariance is used to assess the risk relationship between assets.

3:Joint Dispersion

用法:

這個術語用於描述兩個變數的變異程度,通常與統計分析有關。聯合分散可以幫助研究者理解變數的共同變化情況,進而進行更深入的分析。

例句及翻譯:

例句 1:

聯合分散的計算對於進行多變量分析至關重要。

Calculating joint dispersion is crucial for conducting multivariate analysis.

例句 2:

我們需要考慮聯合分散來理解這些變數的行為。

We need to consider joint dispersion to understand the behavior of these variables.

例句 3:

在數據分析中,聯合分散提供了變數之間的關鍵見解。

In data analysis, joint dispersion provides key insights into the relationship between variables.

4:Combined Variance

用法:

通常用於描述多個變數的整體變異程度。這個概念可以幫助研究者了解多個變數在一起時的行為和特性。

例句及翻譯:

例句 1:

我們需要計算這些變數的綜合變異數以獲得更全面的分析。

We need to calculate the combined variance of these variables for a more comprehensive analysis.

例句 2:

綜合變異數可以幫助我們理解多個變數的共同影響。

Combined variance can help us understand the collective influence of multiple variables.

例句 3:

在進行回歸分析時,綜合變異數是非常重要的指標。

In regression analysis, combined variance is a very important metric.