Menentukan Model Persamaan Regresi Linier Berganda dengan Metode Backward pada Kasus Penyalahgunaan Narkoba di Tanah Karo.

Abstract

Stands For materials addictive, which is the name of a class of natural substances, synthetic or semi synthetic. Factors that are considered influential to the increasing abuse of drugs such as bad environment, negative parents, happy risk activities, easy to get drugs. Formulation of the problem in this study is a factor which factors affect the amount of increased drug abuse in the field of Karo. To obtain the regression equation using the method the author is backward in which all the variables X, based on the value of each variabel X is a variable that has the smallest value and co-absence of these variables in the model is based on . Persentacedeterminace of backward method is described 66,09 % with the hypothesis (tolerance) of 5% and the most influential factor of the problem is bad environment.