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In poisson distribution mean is ______ variance.

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In poisson distribution mean is ______ variance.

(a) Greater than

(b) Lesser than

(c) Equal to

(d) Does not depend on

I had been asked this question during an online exam.

Origin of the question is Random Processes topic in portion Digital Communication of Digital Communications

1 Answer

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The correct option is (c) Equal to

Easy explanation: In poisson distribution, variance is nearly same or equal to mean of the distribution.

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