Mean and Variance of Poisson Distribution

In this class, We discuss Mean and Variance of Poisson Distribution.

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The reader should have a prior knowledge of poisson distribution. Click Here.

Mean = µ = Expected Value

The below shows the complete derivation.

Mean and Variance of Poisson Distribution1.1
Mean of Poisson Distribution

The below is the variance derivation.

Mean and Variance of Poisson Distribution1.2
Variance of Poisson Distribution