نتایج جستجو برای: economic statistical design

تعداد نتایج: 1572037  

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

Journal: : 2021

Objective. The objective of the article is to investigate methodological basis application forecasting models and methods in performing statistical assessment economic risk, particular, assess possibility reducing systematic risk through planning enterprise taking into account semi-variance approach calculation. Methods. theoretical study achievements foreign national scientists. To achieve thi...

2000
Shelly J. Lundberg Richard Startz

Race and ethnicity play a central role in understanding the structure of inequality in the United States. In this paper, we focus on the economic chasm between black and white America and on what economic theory can contribute to our understanding of both inequality and the design of effective policy. We review recent models of labor market discrimination and the intergenerational transmission ...

ژورنال: اندیشه آماری 2021

Economic theories seek a scientific explanation or prediction of economic phenomena using a set of axiom, defined expressions, and theorems. Mathematically explicit economic models are one of these theories. Due to the unknown structure of each model, the existence of measurement error in economic committees and failure of Ceteris Paribus; the Synthetic of any economic theory requires probabili...

2013
Santiago Omar Caballero Morales

The application of Preventive Maintenance (PM) and Statistical Process Control (SPC) are important practices to achieve high product quality, small frequency of failures, and cost reduction in a production process. However there are some points that have not been explored in depth about its joint application. First, most SPC is performed with the X-bar control chart which does not fully conside...

2012
Brian Czech Julianne H. Mills Roger M. Brown

For many citizens and policymakers, the empirical relationship between economic growth and biodiversity conservation has not been sufficiently established for purposes of identifying the types of economic policies amenable to biodiversity conservation. Some think economic growth conflicts with biodiversity conservation; others think economic growth conduces biodiversity conservation. With panel...

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