ARTICLES

Filter  
Active filters 0
Remove
  

Refine your searches by:

Collections
Education
Economy
Social Sciences
Research
Biology
Public health
Architecture and Urbanism
Agronomy and forestry
Technology
Pure sciences
all records (71)

Languages
English
Spanish
Portuguese
German

Countries
Indonesia
USA
Brazil
Germany
Pakistan
Turkey, Turkish Republic
Cuba
South Africa
Ukraine
Romania
all records (75)

Years
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
all records (24)

Filter  
 
81.822  Articles
1 of 8.183 pages  |  10  records  |  more records»
In this paper, we have considered the problem of three-stage sample surveys. The problem of a three stage multivariate stratified sample survey has been formulated as a non-linear stochastic programming problem by considering survey cost and the variances... see more

In stratified sampling design when the cost of measuring the units is not significant in each stratum, the estimation of population mean or total constructed from a selected sample according to Neyman allocation is advisable. In general the practical use ... see more

The study identifies the influencing factors of the performance of agricultural cooperatives (ACs) in the Mekong Delta (MD) of Vietnam. The study used a disproportionate stratified sampling method, with 308 valid samples collected from the Department of A... see more

The goal of the study is to examine the attitudes of the undergraduate students at the Marmara University toward social gender roles with multivariate analysis techniques. The population of the research is constituted by the undergraduate students at the ... see more

Consider a multivariate stratified population with  strata and  characteristics. Let the estimation of the population means be of interest. In such cases the traditional individual optimum allocations may differ widely from characteristic to cha... see more

Modern surveys aim at fostering accurate information on demographic and other variables. The necessity for providing figures on regional levels and on a variety of subclasses leads to fine stratifications of the population. Optimizing the accuracy of stra... see more

In recent years, control charts monitoring the coefficient of variation (CV), denoted as the ratio of the variance to the mean, is attracting significant attention due to its ability to monitor processes in which the process mean and process variance are ... see more

Teachers’ self-efficacy remains one of the most important constructs that determine their delivery and competence in schools. In Kenya, it has been reported, that there is low teachers’ self-efficacy, however, no analytic attention had been paid to the in... see more

COVID-19 is a Global Pandemic. One of the efforts to overcome COVID-19 is vaccination. The lowest group of vaccine recipients in Tegal Regency was pregnant women (0.02%). COVID-19 was the biggest cause of maternal mortality in 2021 in Tegal Regency (59.1%... see more

1 of 8.183 pages  |  10  records  |  more records»