Example 8. Given the regression lines as 3x + 2y = 26 and 6x + y = 31. Find their point of intersection and interpret it. Also find the correlation coefficient between x and y.

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A: Given,r12=0.8 , r13=0.4 , r23=0.56

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Q: If r12=0.8, n3=0.4 and 123 = 0.56, find the value of r12.3, 132 and r23.1.

A: Givenr12=0.8r13=0.4r23=0.56

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