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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Standard deviation indicates how closely each datum is clustered around/scattered from the mean.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The standard deviation (SD) quantifies variability or scatter, and it is expressed in the same units as your data.
Detailed explanation-2: -A large standard deviation indicates that the data points can spread far from the mean and a small standard deviation indicates that they are clustered closely around the mean.
Detailed explanation-3: -Standard deviation is the degree of dispersion or the scatter of the data points relative to its mean, in descriptive statistics. It tells how the values are spread across the data sample and it is the measure of the variation of the data points from the mean.
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