Positive and Normative Economics
Q: What is the difference between positive and normative economics?
Did You Know?
Since the observations are independent and identically distributed, the sample mean μ̂₁ is an unbiased estimator of μ. Its expected value is μ. The variance of μ̂₁ is σ² divided by the sample size n=4, so Var(μ̂₁) = σ²/4.
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