• Occurs when a distribution is not symmetrical about its mean. A distribution is symmetrical when its median, mean, and mode are equal. A positively skewed distribution occurs when the mean exceeds the median. A negatively skewed distribution occurs when the mean is less than the median. These conditions are also known as skewed to the right and skewed to the left, respectively.
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| ||Dispersion: Is a statistical indication of variability, volatility, or risk. Some common measures of dispersion are: |
- Coefficient of Variation
- Standard Deviation
There are other measures besides the above some of which refer to shape or Skewness.
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