الارتباط والانحدار الخطي البسيط Correlation &Simple Linear Regression. 1. r . measures the extent of . linear . association between two variables. 2. r . has value between −1 and 1. 3. r = 1 if and only if all the observations are on a straight line with positive slope. 4. r
حقوق النشر © 2023.CDM كل الحقوق محفوظة.خريطة الموقع