結果 : sample variance formula example
2:48

How To Calculate The Sample Variance | Introduction to Statistics

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Proof that the Sample Variance is an Unbiased Estimator of the Population Variance

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Why We Divide by N-1 in the Sample Variance (Standard Deviation) Formula | The Bessel's Correction

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Sample variance | Descriptive statistics | Probability and Statistics | Khan Academy

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Standard Deviation and Variance

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Sample Variance and Standard Deviation Formula Explained!

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How to calculate the sample variance for a set of values

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How To Calculate The Population Variance | Statistics

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