نتایج جستجو برای: non central chi square chart

تعداد نتایج: 1878204  

Journal: :management studies and economic systems 2015
sultan mohammed saief uddin ahmed

this paper investigates the enrollment behavior of the students of sylhet international university (siu), a private university in bangladesh. the researcher conducted reliability test, descriptive analysis, and chi-square tests and identified a number of key findings as to the enrollment behavior of students through collecting data from a sample of 584 students of siu. the research shows that t...

2017
Adel A. Alhazzani Murali Munisamy Gauthaman Karunakaran

OBJECTIVE To elucidate the degree of genetic polymorphisms CYP2C19 (CYP2C19*2, CYP2C19*3) of key drug metabolizing enzymes on the antiplatelet effect of clopidogrel response in patients with acute ischemic stroke from Saudi Arabia. METHODS A case-control study carried out at Neurology Clinics at Asser Central Hospital, Abha, Kingdom of Saudi Arabia from October 2015 to January 2016 and includ...

Journal: :Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 2020

Journal: :Educational Research and Reviews 2020

Journal: :Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC 2012
Claire Ann Jones Laura Gray Kimberly Liu

OBJECTIVE To analyze the perceived impact of insurance coverage for fertility medications on patients' fertility treatment decision-making. METHODS We conducted a cross-sectional study involving a patient survey and chart review of women at a Canadian university-affiliated fertility centre. The primary outcome was to determine whether women with self-reported insurance coverage for fertility ...

Journal: :Applied Mathematics and Computation 2011
Rossita M. Yunus Shahjahan Khan

This paper proposes the bivariate noncentral chi-square (BNC) distribution by compounding the Poisson probabilities with the bivariate central chi-square distribution. The probability density and cumulative distribution functions of the joint distribution of the two noncentral chi-square variables are derived for arbitrary values of the correlation coefficient, degrees of freedom(s), and noncen...

Journal: :The Annals of Mathematical Statistics 1942

Journal: :Proceedings of the National Academy of Sciences 1931

Chi-square tests are generally used for distinguishing purposes; however when they are combined to simultaneously test several independent variables, extra notation is required. In this study, the chi-square statistics in some previous works is revealed to be computed half of its real value. Therefore, the notion of Multi _ Chi-square tests is formulated to avoid possible future confusions. In ...

2017

Methods: In this retrospective case control study we analyzed 149 subjects in total, 39 euthyroid and 110 hypothyroid subjects. Metabolic Syndrome was defined as per ATP III criteria. All data were collected through chart review. Study groups were analyzed for differences in baseline demographic variables including age, gender, smoking status and alcohol consumption. Statistical analyses perfor...

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