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Dimensions of 100 randomly selected coffee beans of the Arabica and Robusta variety were determined by measuring their length (l), width (b) and thickness (h). The results of the measurements were processed by the methods of mathematical statistics. Parameters of distributions of separate sizes as random variables are determined. By the value of the coefficient of variation, the density function of normal distribution (Gaussian distribution) is taken as a model of separate sizes of beans. Models of twodimensional distributions of beans sizes as independent random variables are presented. The coefficients of correlation between the geometric sizes of beans are calculated. The obtained values of the correlation coefficients indicate that the geometric sizes... 
Tipo: Info:eurepo/semantics/article 
Palavraschave: Coffee beans; Geometric parameters; Mathematical models; Distribution function. 
Ano: 2019 
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5018 
 

 


