Standard deviation and Variance (continuous)
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Khan AcademyAshish Gupta
Standard deviation and Variance (continuous)
In this video, we learn how to calculate the mean, variance, and standard deviation for continuous grouped data. We'll go through a detailed example, starting from finding mid-points, calculating the mean, then the deviations from the mean, their squares, and the sum of their products with frequencies to find the variance. Finally, we'll take ...
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