Statistics MCQs
Topic Notes: Statistics
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
In the context of the Cramer-Rao Inequality, what is the variance of an estimator T commonly referred to as?
Answer:
Minimum variance bond
The Cramer-Rao Inequality provides a lower bound on the variance of any unbiased estimator of a parameter. This lower bound is known as the Cramer-Rao Lower Bound (CRLB). When an estimator achieves this lower bound, it is called a Minimum Variance Unbiased Estimator (MVUE). The term 'Minimum variance bound' is a common, albeit slightly informal, reference to this theoretical limit.