When the MAD of a data set is 0, it means that there is ________ in the data.
A
a function
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B
a relation
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C
a variation
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D
no variation
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Solution
The correct option is D no variation When the MAD of a data set is 0, it means that there is no variation in the data.
Example:
For the data set 2,2,2,2,2:
Mean =2+2+2+2+255=105=2
MAD =|2−2|+|2−2||2−2|+|2−2|+|2−2|5=05=0