نتایج جستجو برای: according to cochran formula
تعداد نتایج: 10634277 فیلتر نتایج به سال:
Among the different approaches presented for the interaction between the organization and the turbulent environment, strategic agility has been considered as the dominant paradigm of business in the third millennium and as the best option for survival of most productive and service organizations. The purpose of this study is to determining the mediating role human capital in the effects of stra...
the main purpose of this research was to study different aspects of self-employment among the agricultural female students in university of zanjan. the statistical population of the study consisted of senior female students in agriculture faculty of zanjan university in 2014-2015 academic year (n= 135). according to cochran's formula, 63 students were selected using a stratified random sam...
The purpose of this study was to determine the effect security, convenience, and trust on customer satisfaction at PT Lion Parcel. This conducted using quantitative techniques. sample used as many 100 respondents in Parcel customers Cochran formula. Questionnaires were a data collection technique. By SPSS 25 software, analysis techniques include descriptive statistics test, quality classic assu...
abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...
The purpose of this study is to explain the impact of family upbringing patterns on couples' common life relationships and behaviors sociologically. The statistical population of this study was couples in Farashband, a county in Fars Province. The sample size of the study was, estimated using the Cochran formula, 372 persons and in fact 186 couples. The research method was survey and data were...
Objective: The purpose of this study was to predict the probability of returning to substance abuse based on resiliency and communication patterns in addicts' spouses. Method: A descriptive-correlational research method was employed for the conduct of this study. The statistical population of this research consisted of the addicts in the eighth municipal district of Tehran who had returned to d...
iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...
which restricts to the given links at the ends. A link is called (topologically) slice if it is concordant to the trivial m–component link or, equivalently, if it bounds a flat embedding of m disjoint slice disks D2 ∐ · · · ∐D2 ֒→ D4. In the special case m = 1 we refer to the link as a knot. If the embeddings above are required to be C, or smooth, then these notions are called smoothly concordan...
This research studies the generation gap among the students at Andimeshk Islamic Azad University. More than 305 people were chosen by Cochran Formula in the study. The dependent variable was divided to four dimensions social, cultural, political and economic. The obtained mean of the study shows there is a meaningful difference between students and their parents (fathers and mothers). It also s...
the main purpose of this study was to investigate the role of social capital in the motivation of students for job creation. the statistical population of this study included all students of islamic azad university of karaj (n=3200) that 178 cases of these students were selected as research samples according to the cochran formula. data were collected by using a regulated questionnaire whose co...
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