العينات النظرية والتطبيق للوزن المثالي

Abstract

This research aims to study samples Samples, types and applications on the society and the method of selection and use of random numbers in the selection of samples and the importance of computer in the study of samples. The method followed is descriptive The data extracted from the samples were taken from sixty-nine students of the Mehdi internal students at the University of Africa in the lengths and weights of the students The following results were obtained: After measuring the height and weight of the Mahdi internal students and applying Ka-square distribution 1 - There is a lack of natural weight for students 2 - must change the diet of students so that the proportion of weight with height to increase the value of the link between weight and height.