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Detection and Considering of Extremal Elements for Business Surveys

Detection and consideration of extremal elements for business surveys by Oksana Honchar from Ukraine, focusing on methods of precision control in sample surveys, gross errors, and deteriorative elements affecting precision. Learn about distance-based methods and more.

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Detection and Considering of Extremal Elements for Business Surveys

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  1. Detection and Considering of Extremal Elements for Business Surveys Oksana Honchar Ukraine

  2. Atypical enterprises Gross errors Deteriorative elements of precision Extremal elements in sample surveys

  3. Method of precision control where is mean of group variances ; overall mean can be calculated as weighted mean of group means ;

  4. Method of precision control - quantile of normal distribution; • relative limiting sampling error that is assigned • by statistician on the planing sample stage; - population size. The total sample size is = + where is number of extremal elements in stratum.

  5. Distance-based method (L) • Удалите значки примерови замените их рабочими документами, как описано ниже: • Выберите Объект из меню Вставка • Установите переключатель Создать из файла • Укажите имя файла в поле Файл • Установите флажок Как значок • Нажмите кнопку ОК • Выделите значок • Выберите Настройка действия из меню Показ слайдов • Установите переключатель Действие и выберите Изменить • Нажмите кнопку ОК where is distance to previous element or is range of deviation or Thus

  6. Thank you very much for your attension!

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