an easy sum
 

If the coefficient of regression lines of y on x is -0.4 , the linear correlation coefficient between x and y is -0.8 , calculate the regression coefficient of x on y ??



this simple sums will come tommorrow
dontaaaaaaaaaa panic :)

c = -1.6
hezar da walla eh???
3a fekra mesh hayeb2a sahl 2awy ..im sure

it isn't " hezar "
it'''''''''''''''''''''''s fuuuuuuuuuun
don't be pessimestic