Abstract
In this article we study the variance estimator for the normal distribution when the mean is un known depend of the cumulative function between unbiased estimator and Bays estimator for the variance of normal distribution which is used include Double Stage Shrunken estimator to obtain higher efficiency for the variance estimator of normal distribution when the mean is unknown by using small volume equal volume of two sample .
Highlights
In this article we study the variance estimator for the normal distribution when the mean is un known depend of the cumulative function between unbiased estimator and Bays estimator for the variance of normal distribution which is used include Double Stage Shrunken estimator to obtain higher efficiency for the variance estimator of normal distribution when the mean is unknown by using small volume equal volume of two sample
اقرشاب انقًٍح الأنٍح يٍ انقًٍح انحقٍقٍح . -3لاي حجى نهؼٍُح انكهٍح nذى اسرخذايٓا كاَد َرٍجح انكفاءج انُسثٍح نهًقذس قًٍرٓا اكثش ػُذيا
Summary
فً ْزا انثحث ذًد دساسح يقذس نرثاٌٍ انرٕصٌغ انطثٍؼً ػُذيا ٌكٌٕ يرٕسؾ انرٕصٌغ غٍش يؼهٕو تالاػرًاد ػهى دانح ذجًٍؼٍح يا تٍٍ انًقذس غٍش انًرحٍض ٔانًقذس انثٍضي نرثاٌٍ انرٕصٌغ انطثٍؼً انرً سٍرى اسرخذايٓا ػًٍ طٍغح انًقذس انًقهض تًشحهرٍٍ نهحظٕل ػهى يقذس نرثاٌٍ انرٕصٌغ انطثٍؼً ػُذيا ٌكٌٕ يرٕسؾ انرٕصٌغ غٍش ٔتالاػرًاد ػهى دانح انرٕصٌغ الأنً نهًؼهًح ٔانًؼثش ػُٓا تًا ٌأذً : انًؼرًذج ػهى انًؼهًح ٔانًؼثش ػُٓا تًا ٌأذً :
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