For 50 students of a class the regression equation of marks in Statistics (X) on marks in Mathematics (Y) is 3Y - 5X + 180 = 0. The mean marks in Mathematics is 44 and variance of marks in Statistics is times of the variance of marks in Mathematics. Find the mean marks 16

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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1. For 50 students of a class the regression equation of marks in Statistics (X) on marks in
Mathematics (Y) is 3Y - 5X + 180 = 0. The mean marks in Mathematics is 44 and variance
of marks in Statistics is times of the variance of marks in Mathematics. Find the mean marks
in Statistics and the coefficient of correlation between marks in two subjects.
16
Transcribed Image Text:1. For 50 students of a class the regression equation of marks in Statistics (X) on marks in Mathematics (Y) is 3Y - 5X + 180 = 0. The mean marks in Mathematics is 44 and variance of marks in Statistics is times of the variance of marks in Mathematics. Find the mean marks in Statistics and the coefficient of correlation between marks in two subjects. 16
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