the suitable measure of dispersion to extreme variations in the data is
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Standard deviation (SD) is the most commonly used measure of dispersion. It is a measure of spread of data about the mean. SD is the square root of sum of squared deviation from the mean divided by the number of observations. ... The disadvantage of SD is that it is an inappropriate measure of dispersion for skewed data.
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Standard deviation (SD) is the most commonly used measure of dispersion. It is a measure of spread of data about the mean. SD is the square root of sum of squared deviation from the mean divided by the number of observations. ... The disadvantage of SD is that it is an inappropriate measure of dispersion for skewed data.
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