The Mean and Variance of the Poisson Distribution Are Equal

question 64

True/False

The mean and variance of the Poisson distribution are equal.

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Definitions:

Chi-Square Tests

A statistical test used to determine the significant difference between observed and expected frequencies in one or more categories.

Equality

The state or quality of being identical, equal, or equivalent in value, measure, significance, etc.

Degrees of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution, minus the number of parameters estimated.

Chi-Square Distribution

A statistical distribution that represents the distribution of the sum of the squares of k independent standard normal random variables, often used in hypothesis testing.