Q40Section B (Section B)40 of 60

Properties of estimators in the normal model with both parameters unknown

Let $X_1,…,X_n$ (assume $n\ge2$ ) be a random sample from an $N(\mu,\sigma^2)$ population where $-\infty<\mu<\infty$ and $\sigma^2>0$ are unknown. Which of the following statements is (are) true?

Multiple select: one or more options are correct. Select all of them, then submit — marks need the exact set.

Select every correct option, then submit.

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