PRC-2 · Chapter 11 · Question 29 of 60
In a Poison Distribution, if the average number of events per hour (λ) is 4, what is the variance of the distribution?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 4
Explanation
A unique statistical property of the Poisson distribution is that its mean and its variance are mathematically identical (μ = σ^2 = λ).
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