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Question
Which measure of dispersion ensures highest degree of reliability?
Which measure of dispersion ensures highest degree of reliability?
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Solution
The correct option is C Standard deviation
Standard deviation is
the square root of the arithmetic mean of the squares of the deviations
measured from the arithmetic mean of the data. It is considered as the best and
most commonly used measure of dispersion to ensure high degree of reliability as it is a measure of average of
deviations from the average.
Standard deviation is the square root of the arithmetic mean of the squares of the deviations measured from the arithmetic mean of the data. It is considered as the best and most commonly used measure of dispersion to ensure high degree of reliability as it is a measure of average of deviations from the average.
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