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Family 8
Estimators: unbiased / consistent
These 2 topics share one solution. Spot the family, apply the method — same trick, different story.
How to spot this family
- Estimator from first three observations：Second most frequent (27/50) · "the estimator of μ defined as the weighted average of just the first three observations" · Answer in Maple syntax:
mu,sigma,11/9*mu,41/81*sigma^2 - Proportion estimator：Third most frequent (23/50) · "estimate the true proportion of successes π using the following estimator" · is a function of (the number of successes); answer in Maple syntax:
Pi
Topics in this family
Related knowledge points
The concepts behind this family's method — brush up first if unsure.