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Syllabus

${S^2}$ as an unbiased estimator for ${\sigma ^2}$ .

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Topic 7 - Option: Statistics and probability » 7.3 »

S^{2}

${S^2}$ as an unbiased estimator for

σ^{2}

${\sigma ^2}$ .

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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 ${\sigma ^2}$ .

Sub sections and their related questions

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