Results 11 to 20 of about 910,710 (254)
The problems of comparing several exponential distributions based on type II censored samples are considered. Likelihood ratio tests (LRTs) for comparing several location parameters, comparing several scale parameters and for homogeneity of distributions
K. Krishnamoorthy +2 more
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Les distributions multinomiales, leur mesure par les tests khi2 et G, leur approximation par la loi khi-carré et l'analyse des tableaux de fréquences par le test $G$ [PDF]
La variable multinomiale, une extension de la binomiale, s'exprime par un vecteur de fréquences associées à des catégories d'observations indépendantes, la probabilité d'une observation dans chaque catégorie étant à son tour représentée par un vecteur ...
Laurencelle, Louis
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In this paper, the authors present a novel approach to the study of the frequency of forced outages in various operating units, or regions of Eskom, using statistical techniques.
Nhlanhla Mbuli +3 more
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On the Mistaken Use of the Chi-Square Test in Benford’s Law
Benford’s Law predicts that the first significant digit on the leftmost side of numbers in real-life data is distributed between all possible 1 to 9 digits approximately as in LOG(1 + 1/digit), so that low digits occur much more frequently than high ...
Alex Ely Kossovsky
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Biostatistics series module 4: Comparing groups - categorical variables
Categorical variables are commonly represented as counts or frequencies. For analysis, such data are conveniently arranged in contingency tables. Conventionally, such tables are designated as r × c tables, with r denoting number of rows and c denoting ...
Avijit Hazra, Nithya Gogtay
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Comparison of FAHP and FANP Decision-Making Methods in Determining the Appropriate Locations for Constructing an Underground Dam for Water Harvesting [PDF]
The recent droughts in Iran made a decline in groundwater table and the migration of villagers to cities was hindered supplying drinking water for the current population. Therefore it should be considered as an important issue.
Saeed Tavakoli +3 more
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Chi-square test and its application in hypothesis testing
In medical research, there are studies which often collect data on categorical variables that can be summarized as a series of counts. These counts are commonly arranged in a tabular format known as a contingency table.
Rakesh Rana, Richa Singhal
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Dichotomization of Multilevel Variables to Detect Hidden Associations
A test of independence is commonly used to determine differences (or associations) between samples in a nominal level measurement. Fisher’s exact test and Chi-square test are two of the most widely applied tests of independence used in the data analyses ...
Asdrúbal López-Chau +4 more
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Making sense of statistics for family practitioner The "Chi-square test" - getting it right
No abstract available.
Gboyego A. Ogunbanjo, David N. Durrheim
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APPLICATION OF CHI SQUARE TEST IN MARKETING RESEARCH [PDF]
The paper brings into focus the usefulness of chi square test in the field of marketing research. A chi square test represents a statistical tool based on the chi-square distribution of probability, which is easy to apply by a non-mathematician ...
CODRUȚA DURA, IMOLA DRIGĂ
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