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What is Understanding Variance and Standard Deviation about?
1. This document discusses the concept of variance and standard deviation as measures of the spread or dispersion of data points around the average value in a distribution. 2. Variance is defined as the average of the squared deviations from the average value. Standard deviation is the square root of the variance, and provides a measure of spread in the same units as the data. 3. The document also notes that variance can be calculated more easily using the formula that variance equals the average of all
- Author
- Monalisa Khatun
- Language
- EN