I think the correct answer from the choices listed above is the third option. <span>If a statistic used to estimate a parameter is such that the mean of its sampling distribution is equal to the actual value of the parameter, then it is a biased estimator. Hope this answers the question.
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Answer:
B. -255
Step-by-step explanation:
This picture is from the user of: DBlaze.
F(X) = x^4 +64x^2
x^4 +64x^2 = x^2(x^2 +64)
hope this will help you