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What is Mean, Variance, and Standard Deviation Guide about?

The document discusses how to calculate the mean, variance, and standard deviation of both frequency and probability distributions. For a frequency distribution, the mean is calculated by summing the product of each value and its frequency and dividing by the total frequency. The variance is calculated using a formula involving the sum of the squared deviations from the mean. The standard deviation is the square root of the variance. For a probability distribution, the mean (or expected value) is calculated

Author

nikkigabanto.24

Language

EN