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Q: What is the deviation mean mean?

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What is mean deviation and why is quartile deviation better than mean deviation?

None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0

No. The mean deviation is 0. Always.

The mean average deviation is the same as the mean deviation (or the average deviation) and they are, by definition, 0.

mean deviation =(4/5)quartile deviation

Information is not sufficient to find mean deviation and standard deviation.

Mean deviation is NEVER used.

The mean deviation from the median is equal to the mean minus the median.

No. The average of the deviations, or mean deviation, will always be zero. The standard deviation is the average squared deviation which is usually non-zero.

You don't need to. The mean deviation is, by definition, zero.

The deviation about the mean of a single number is always zero.

to find percent deviation you divide the average deviation into the mean then multiply by 100% . to get the average deviation you must subtract the mean from a measured value.

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