The red population has mean 100 and variance 100 (SD=10) while the blue population has mean 100 and variance 2500 (SD=50) where SD stands for Standard Deviation. In probability theory …

variance implies a clash between persons or things owing to a difference in nature, opinion, or interest.

Aug 1, 2025 · Variance is a measure of dispersion of data points from the mean. Low variance indicates that data points are generally similar and do not vary widely from the mean. High …

To calculate the variance follow these steps: Then for each number: subtract the Mean and square the result (the squared difference). Then calculate the average of those squared …

May 30, 2025 · Variance is a statistical measurement of how large of a spread there is within a data set. It measures how far each number in the set is from the mean (average), and thus …

變異數 （英語： variance）又稱 变异数[1] 、 變方[2]，在 概率论 及 统计学 中，描述的是一个 随机变量 的离散程度，即一组数字与其平均值之间的距离的度量，是随机变量与其 总体 均值或 …

Jan 18, 2023 · The variance reflects the variability of your dataset by taking the average of squared deviations from the mean.

Find out what variance in statistics is and read more about the meaning and relevance of statistical variance.

Variance is a measure of variability in statistics. It assesses the average squared difference between data values and the mean. Unlike some other statistical measures of variability, it …

Apr 2, 2025 · Variance is a statistical measure that shows how much individual values in a dataset differ from the mean, indicating overall data spread. In social science research, we often want …