An estimator is A) an estimate. C) a random variable. D) a ...

C) unbiased if its expected value equals the population value. D) another word for estimator. 3. The critical value of a two-sided t-test computed from a large sample A) is 1.64 if the significance level of the test is 5%. B) cannot be calculated unless you know the degrees of freedom. C) is 1.96 if the significance level of the test is 5%. ................
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