Effects of Measurement Errors on Population Estimates from Samples Generated from a Stratified Population through Systematic Sampling Technique
Cheruiyot W. Kipkoech and
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Abel Ouko: The East African University, Kenya
Cheruiyot W. Kipkoech: Maasai Mara University, Kenya
Emily Kirimi: Technical University of Kenya
Expert Journal of Economics, 2014, vol. 2, issue 3, 120-132
In various surveys, presence of measurement errors has led to misleading results in estimation of various population parameters. This study indicates the effects of measurement errors on estimates of population total and population variance when samples are drawn using systematic sampling technique from a stratified population. A finite population was generated through simulation. The population was then stratified into four strata followed by generation of ten samples in each of them using systematic sampling technique. In each stratum a sample was picked at random. The findings of this work indicated that systematic errors affected the accuracy of the estimates by overestimating both the population total and the population variance. Random errors only added variability to the data but their effect on the estimates of the population total and population variance was not that profound.
Keywords: Measurement errors; Systematic Errors; Stratified population; Population Total and Population Variance (search for similar items in EconPapers)
JEL-codes: P42 R23 (search for similar items in EconPapers)
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