Overdispersion occurs when the observed variance is larger than the mean for a Poisson model, or when the observed variance is larger than the calculated variance for a binomial model. Which statement best captures overdispersion in common models?

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Multiple Choice

Overdispersion occurs when the observed variance is larger than the mean for a Poisson model, or when the observed variance is larger than the calculated variance for a binomial model. Which statement best captures overdispersion in common models?

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