Variance (Q6673721)
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expectation of the squared deviation of a random variable from its mean
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Variance |
expectation of the squared deviation of a random variable from its mean |
Statements
Comparison standard deviations.svg
612 × 453; 149 KB
612 × 453; 149 KB
Example of samples from two populations with the same mean but different variances. The red population has mean 100 and variance 100 (SD=10) while the blue population has mean 100 and variance 2500 (SD=50) where SD stands for Standard Deviation. (English)
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