Given
X = 0.85y, Y = 0.89x, σz = 3, find σy
A. | 3.07 |
B. | 2.03 |
C. | 4.06 |
D. | 1.03 |
Answer : A Explanation : Regression coefficient of X and Y or bxy = r x σx/σy = 0.85 or 0.87 x 3/σy = 0.85 or 2.61/σy = 85 or 0.85 σy = 2.61 or σy = 2.61/0.85 = 3.07 Hence the answer is (a). |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |