نتایج جستجو برای: using cochrans formula and simple random sampling
تعداد نتایج: 17420360 فیلتر نتایج به سال:
the research questions were as follows: 1. is there any relationship between the students concious awareness of the form and implications of the conjuncations and their improvement in using appropriate conjunctions? 2. does students knowledge of the from and the implications of the conjunctions help them to produce more coherent writings. 3. does a comparison between english conjunctions and th...
The ideas from Probabilistic Number Theory are useful in the study of measures on partitions of integers. Connection between the Ewens sampling formula in population genetics and the partitions of an integer generated by random permutations will be discussed. Functional limit theory for partial sum processes induced by Ewens sampling formula is reviewed. The results on limit processes with depe...
Random sampling is an important tool in the design of parallel algorithms. Using random sampling it is possible to obtain simple parallel algorithms which are e cient in practice. We will focus on the use of random sampling in fundamental problems such as sorting, selection, list ranking and graph connectivity.
the aim of this study was to investigate the impact of management information system on employees’ performance of tehran province water and wastewater company in district 5. the present study was an applied research in terms of purpose and a descriptive correlational survey in terms of method. cochran's formula was used to determine sample size which was 219 employees. the statistical samp...
The overall aim of this study was to investigate the social and cultural factors and consequences of young female sexual intercourse (Case Study: Khorramabad city). The survey method was used to analyze the statistical population of all 15 to 50-year-old women in Khorramabad city. The sample size was 373 persons using Cochran's formula. Sampling method was simple random sampling. Data were coll...
in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...
the purpose of this study is to analyze the relationship between transformational leadership and job engagement by mediating role of psychological empowerment. concerning it’s purpose, the study is practical and considerate the data collection procedure it is a descriptive correlation study. the population of the study includes all kurdistan province education office staff (200 subjects) which ...
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