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What is the range in which the quantization errors due to rounding off are uniformly distributed as random variables if Δ=2-b?

What is the range in which the quantization errors due to rounding off are uniformly distributed as random variables if Δ=2-b? Correct Answer (-Δ/2,Δ/2)

The Quantization errors due to rounding off are uniformly distributed random variables in the range (-Δ/2,Δ/2) if Δ=2-b. This is one of the assumption that is made about the statistical properties of the quantization error.

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