Variance Essential terms you should know.

Variance A Term You Need to Know

Variance is a measure of the spread of a set of numerical values, calculated as the average of the squared deviations from the mean. In other words, it measures how much the individual values in a data set vary from the mean value. The higher the variance, the greater the spread of the values, and vice versa. Variance is often used to describe the degree of dispersion in a data set, and it is a key concept in statistics and data analysis.

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