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On estimating the common mean in two normal distributions after a preliminary test for equality of variances - MaRDI portal

On estimating the common mean in two normal distributions after a preliminary test for equality of variances (Q3028082)

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On estimating the common mean in two normal distributions after a preliminary test for equality of variances
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    On estimating the common mean in two normal distributions after a preliminary test for equality of variances (English)
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    1987
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    random samples of equal size
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    normal distributions
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    common mean
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    different variances
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    pre-test estimator
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    preliminary test for equality of variances
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    Graybill-Deal estimator
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    grand mean
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    optimal critical values
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    minimax regret
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    minimum average risk
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