Question: Choose the best answer to fill in the blank. If an estimator is unbiased, then i. The estimator is equal to the true value. ii.

Choose the best answer to fill in the blank. If an estimator is unbiased, then

i. The estimator is equal to the true value.

ii. The estimator is usually close to the true value.

iii. The mean of the estimator is equal to the true value.

iv. The mean of the estimator is usually close to the true value.

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