Question

b1= r * (Sy/Sx)

How do I get the number for r (correlation) given the averages of X and Y and their standard deviations?

Answer 1

@asnaseer
@bahrom7893
@iHelp
@jim_thompson5910
@karatechopper

Answer 2

Statistics? fun.
\[r = sxy/((sx)(sy))\]
where sx and sy are you standard devaitions and sxy is:

Answer 3

Which is the average of your means.

Answer 4

im still a little confused. can you tell me how they got b1 based on the data presented?

Answer 5

@.Sam.
@eyust707
@satellite73

Answer 6

missing a lot of the page

Answer 7

\[S_{xy}=\frac{1}{n-1}\sum_{i=1}^n(x_1-\overline{x})(y_1-\overline{y})\] i can understand, we just need these numbers

Answer 8

well then ill upload it as an excel file rather than a PDF because PDF gets choppy