Mathematics · Statistics
Which of the following definitions precisely defines Standard Deviation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The standard deviation is the positive square root of the mean of the squares of deviations from the arithmetic mean.✓
- 2It is that value of a variable which occurs the maximum number of times in a given dataset.
- 3It is the value which divides the total number of observations such that half are less and half are more than this value.
- 4A measure of dispersion derived from the simple average of absolute deviations from a central value.
Correct answer
The standard deviation is the positive square root of the mean of the squares of deviations from the arithmetic mean.
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