Question

for 100 students of a class the regression equation of of mark in statistics x on the marks in commerce why is 3 y - 5 x + 180 =0. the mmean marks in commerce is 50 and variance of marks in statistics is 4|9 th of the variance of marks in commerce. find the mean marks in statistics and the the coefficient of correlation between marks in the two subjects​

Answer 1

Step-by-step explanation:

Answer

62.4,0.8

and

are both defined

Under what conditions is the

If

is any

such that

and

are both defined show that

is an

matrix.

Under what conditions is the matrix equation

is true

Answer 2

Answer:

1232y3y3yeywywyiaiaqw