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For 50 students of a class, the regressi...

For 50 students of a class, the regression equation of marks in Statistics(X) on the marks in accountancy(Y) is `3y-5x+180 =0`.The mean marks in accountancy is 44 and the variance of marks in Statistics is `(9/16)th` of variance of marks in Accountancy .Find the mean marks in Statistics and the correlation coefficient between the marks of the two subjects.

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The correct Answer is:
62.4,0.8
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