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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Calculate the Mean Absolute Deviation 7, 9, 2, 7, 3, 5, 10
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2.41
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2
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4.21
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3
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Explanation:
Detailed explanation-1: -Explanation: The mean absolute deviation, basically is a average distance between each data point and the mean.
Detailed explanation-2: -3, 9, 5, 3, 12, 10, 18, 4, 7, 19, 21. ∴ the median is 9. Thus, mean deviation from the mean of the data is 8.4.
Detailed explanation-3: -Find the Mean Absolute Deviation: 5, 11, 2, 7, 16. The Mean is 8.2.
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