STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is the square of the standard deviation and is also known as the mean square.
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Mean Deviation
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Range
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Standard Deviation
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Variance
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Explanation:
Detailed explanation-1: -The square of the standard deviation is called the variance.
Detailed explanation-2: -Standard Deviation is also known as root-mean square deviation as it is the square root of means of the squared deviations from the arithmetic mean. In financial terms, standard deviation is used-to measure risks involved in an investment instrument.
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