Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) General Knowledge Economy

In a two-variable regression, Y is dependent variable and X is independent variable. The correlation coefficient between Y and X is 0.8. For this, which of the following is correct ? 

1
8% variations in Y are explained by X.
2
64% variations in Y are explained by X. 
3
0.8% variations in Y are explained by X. 
4
None of the above. 
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