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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Variability can also be described as how much the data ____ from the center.
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Changes
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Stays the same
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Deviates
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Increases
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Explanation:
Detailed explanation-1: -Measures of Center and Spread The mean and median are the two most common measures of center. The mean is often called the average. A measure of variability is a single number used to describe the spread of a data set.
Detailed explanation-2: -Standard error and standard deviation are both measures of variability. The standard deviation reflects variability within a sample, while the standard error estimates the variability across samples of a population.
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