DP Mathematics HL Questionbank
\({S^2}\) as an unbiased estimator for \({\sigma ^2}\) .
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[N/A]Directly related questions
- 18M.3sp.hl.TZ0.5b.ii: Hence write down an unbiased estimator of Var(X).
- 18M.3sp.hl.TZ0.5b.i: Show that \({\text{E}}\left( U \right) = \left( {n - 1} \right)p\left( {1 - p} \right)\).
- 18M.3sp.hl.TZ0.5a: Show that \(P = \frac{X}{n}\) is an unbiased estimator of \(p\).
- 15M.3sp.hl.TZ0.2a: Determine unbiased estimates of \(\mu \) and \({\sigma ^2}\).
