The mean and the variance of an exponential distribution are equal to each other.

Name: The mean and the variance of an exponential distribution are equal to each other.
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Quizplus · Accepted Answer

The mean of an exponential distribution is given by 1/λ and the variance is given by 1/λ^2. Therefore, the variance is equal to the square of the mean, if and only if λ=1, which is not a general property of exponential distributions.

The Mean and the Variance of an Exponential Distribution Are