What is the difference between variance and standard deviation in Statistics?
Answer (1)
| Variance | Standard Deviation |
|
1. Variance is the average of the squared deviations from the mean. |
1. Standard deviation is the square root of the variance. |
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2. Variance is denoted as σ 2 (Sigma 2 ). |
2. Standard deviation is denoted as σ(Sigma). |
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3. The unit of variance is the square of the original unit. |
3. The unit of Standard deviation is the same as the original unit. |
| 4. It measures the dispersion of a dataset. | 4. It measures the spread of the data from its mean. |
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