‎ vari‎ance是什么意思_‎ vari‎ance怎么读_‎ vari‎ance的音标

‎ vari‎ance的中文意思:方差

‎ vari‎ance的音标:英 [ˈveərəns] 美 [ˈvɛrɪəns]

‎ vari‎ance的用法和例句8句:

    • The variance measures how far a set of numbers are spread out from their average value.

方差衡量一组数字与其平均值的偏离程度。

    • A high variance indicates that the data points are very spread out from the mean.

高方差表示数据点与均值的偏离程度很大。

    • In statistics, variance is used to assess the variability of a dataset.

在统计学中,方差用于评估数据集的变异性。

    • The variance of a uniform distribution is lower than that of a normal distribution.

均匀分布的方差低于正态分布的方差。

    • To calculate the variance, you need to find the mean and then the squared differences from the mean.

计算方差需要先找到均值,然后计算与均值的平方差。

    • Understanding variance is crucial for data analysis and interpretation.

理解方差对数据分析和解释至关重要。

    • The variance of the sample can be different from the variance of the population.

样本的方差可能与总体的方差不同。

    • In finance, a portfolio's variance can help assess its risk level.

在金融中,投资组合的方差可以帮助评估其风险水平。
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