alleryVariance of constants is:
A0
B1
Cundefined
Dinfinity
Answer & Solution
Correct answer: A. 0
1. Variance measures spread around mean.
2. If all values are equal (a constant), there is zero spread.
3. Variance = 0.
_Source: TSICET 2024 PYQ Q.126 (Shift 1, Statistics)_
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