Kon 18. For 100 students of a class, the regression equation of marks in Statistics (X) on the matistics is 4/9th of the variance of marks in Commerce. Find the mean marks in Statistics and the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 10PPS
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coefficient of correlation between marks in the two subjects.
on 18. For 100 students of a class, the regression equation of marks in Statistics (X) on the
5X + 180 = 0. The mean marks in Commerce is 50 and variance of marks
markistics is 4/9th of the variance of marks in Commerce. Find the mean marks in Statistics and the
in Commerce (Y) is 3Y
The lun
Transcribed Image Text:coefficient of correlation between marks in the two subjects. on 18. For 100 students of a class, the regression equation of marks in Statistics (X) on the 5X + 180 = 0. The mean marks in Commerce is 50 and variance of marks markistics is 4/9th of the variance of marks in Commerce. Find the mean marks in Statistics and the in Commerce (Y) is 3Y The lun
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