If varx=214 and vary=21 and r=1, the standard error of y is
0
12
14
1
Explanation for the correct option.
Find the standard error of y.
The standard error of y is given as Sy=1-r2.
Here, r=1 so,
Sy=1-12=1-1=0
So the standard error of y is 0.
Hence, the correct option is A.