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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The ____ is a measure of variability that represents the spread in data.
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Mean
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Median
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Range
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Product
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Explanation:
Detailed explanation-1: -The standard deviation is the average amount of variability in your dataset. It tells you, on average, how far each score lies from the mean. The larger the standard deviation, the more variable the data set is.
Detailed explanation-2: -Range, variance, and standard deviation all measure the spread or variability of a data set in different ways. The range is easy to calculate-it’s the difference between the largest and smallest data points in a set. Standard deviation is the square root of the variance.
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