METHODS OF DATA ANALYSIS
MEASURES OF DISPERSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What does this symbol represent?
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Mean Deviation
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Standard Deviation
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Variance
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Sigma
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Explanation:
Detailed explanation-1: -In statistics, represents the standard deviation of population or probability distribution (where mu or is used for the mean).
Detailed explanation-2: -The Stefan-Boltzmann constant, symbolized by the lowercase Greek letter sigma (), is a physical constant expressing the relationship between the heat radiation emitted by a black body and its absolute temperature.
Detailed explanation-3: -Sigma (uppercase / lowercase ) is the eighteenth letter of the Greek alphabet. In mathematics, the uppercase sigma symbol is used as an operator for summation, in statistics, the lowercase sigma can be used to represent standard deviation of population.
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