for what value of c is the quantity sigma(Xi-c)^2 minimized?
[Hint: Take the derivative with respect to c , set equal to 0 and solve]
I don't know where to start...
for what value of c is the quantity sigma(Xi-c)^2 minimized?
[Hint: Take the derivative with respect to c , set equal to 0 and solve]
I don't know where to start...