What are independent and dependent variables? What is coefficient of correlation and how is it calculated? Illustrate with formula and range of values (r). (UPSC 2021, 15 Marks, )

स्वतंत्र और आश्रित चर क्या हैं? सहसंबंध गुणांक क्या है और इसे कैसे गणना की जाती है? सूत्र और मानों की सीमा (r) के साथ उदाहरण दें। (What are independent and dependent variables? What is coefficient of correlation and how is it calculated? Illustrate with formula and range of values (r).)

What are independent and dependent variables? What is coefficient of correlation and how is it calculated? Illustrate with formula and range of values (r). (UPSC 2021, 15 Marks, ) EN ह function dochangelang(val) { if (val != "") { window.location = val; } }

What are independent and dependent variables? What is coefficient of correlation and how is it calculated? Illustrate with formula and range of values (r). (UPSC 2021, 15 Marks, )