Unbiased Estimators a. What is an unbiased estimator? b. For the following statistics, identify those that are unbiased estimators: mean, median, range, variance, proportion. c. Determine whether the...

Unbiased Estimators

a. What is an unbiased estimator?

b. For the following statistics, identify those that are unbiased estimators: mean, median, range, variance, proportion.

c. Determine whether the following statement is true or false: “The sample standard deviation is a biased estimator, but the bias is relatively small in large samples, so s is often used to estimate a.