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प्रश्न
The sum of deviations of all observations from the arithmetic mean of a dataset is always ______.
पर्याय
Maximum
Minimum
Zero
Undefined
MCQ
रिकाम्या जागा भरा
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उत्तर
The sum of deviations of all observations from the arithmetic mean of a dataset is always zero.
Explanation:
By definition, the arithmetic mean ensures the sum of all deviations from the mean equals zero.
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