The line of regression of marks in Statistics (X) on marks in Accountancy (Y) for a kE of 50 students is : 3Y - 5X - 180 = 0 Average marks in Accountancy is 44 and variance of marks in Statistics is of variance of 16 marks in Accountancy. Find : (i) The average marks in Statistics, and (ii) Coefficient of correlation between marks in Statistics and marks in Accountancy.

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 2AGP
icon
Related questions
Question
The line of regression of marks in Statistics (X) on marks in Accountancy (Y) for a
kE of 50 students is :
3Y - 5X - 180 = 0
Average marks in Accountancy is 44 and variance of marks in Statistics is
of variance of
16
marks in Accountancy.
Find : (i) The average marks in Statistics, and (ii) Coefficient of correlation between marks in
Statistics and marks in Accountancy.
Transcribed Image Text:The line of regression of marks in Statistics (X) on marks in Accountancy (Y) for a kE of 50 students is : 3Y - 5X - 180 = 0 Average marks in Accountancy is 44 and variance of marks in Statistics is of variance of 16 marks in Accountancy. Find : (i) The average marks in Statistics, and (ii) Coefficient of correlation between marks in Statistics and marks in Accountancy.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Functions and Change: A Modeling Approach to Coll…
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt