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Questions › UoH › UoH 2021 › Q86
1 mark, −0.33Statistics › Point and interval estimation › Properties of estimatorsEasyabout 1 min

UoH 2021 Question 86: Point and interval estimation

Estimator is defined as

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Answer and worked solution

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Point and interval estimation has come up 28 times in 6 exams since 2008.

What this question tests

This question is on Properties of estimators, part of Point and interval estimation in Statistics.

What makes an estimator good: unbiased, consistent and efficient.

TestStop has 9 past-paper questions on this subtopic; the nearest in year are below.

  • IIT JAM 2021 · Q14Let α̂₁ and α̂₂ be independent unbiased estimators of α with standard errors σ₁ and σ₂ (σ₁ ≠ σ₂). The linear…
  • GATE 2021 · Q22If S²=1/(n-1)Σᵢ₌₁ⁿ(xᵢ-x̄)² is an unbiased and consistent estimator of the population variance, then one can…
Practise Point and interval estimationMore on Properties of estimators

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Question from the UoH 2021 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.