4. Choose the correct response. Why are unbiased estimators preferred over biased estimators? Unbiased estimators follow the normal distribution, where as biased estimators follow the original distribution. Unbiased estimators require a greater sample size which gives greater accuracy over biased estimators. Unbiased estimators behave with reliable results, where as biased estimators are inconsistent. Unbiased estimators retain the original distribution of the sample, where as biased estimators follow a normal distribution.