Question

write the relationship between mean and variance of the Poisson distribution​

Answer 1

Answer:

If μ is the average number of successes occurring in a given time interval or region in the Poisson distribution, then the mean and the variance of the Poisson distribution are both equal to μ.

Answer 2

Answer:

Mean and Variance of Poisson Distribution. If μ is the average number of successes occurring in a given time interval or region in the Poisson distribution, then the mean and the variance of the Poisson distribution are both equal to μ.