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The _____________ corresponds to average quantization noise power.

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The _____________ corresponds to average quantization noise power.

(a) Mean

(b) Variance

(c) Probability density function

(d) None of the mentioned

The question was posed to me in an online interview.

The origin of the question is Sources of Corruption topic in section Formatting and Baseband Modulation of Digital Communications

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Correct option is (b) Variance

The best I can explain: The variance corresponds to average quantization noise power. It is calculated assuming the quantization noise and probability distribution function.

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