(Answered) 1 a derive the mle of a2nbspfor the normal distribution

Statistics

1. (a) Derive the MLE of a₂ for the normal distribution, assuming μ is known:

(b) Is it unbiased?

2. As N 1 delegates arrived at a convention, they were given successive tags numbered 0, 1, 2, 3, . . . N. In order to estimate the unknown number N, a brief walk in the corridor provided a sample of 5 tags, numbered 37, 16, 44, 43, 22.

(a) What is the MME of N? Is it biased?

(b) What is the MLE of N? Is it biased?

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