Question
If the predicted value when x=5 is hat (y)=39.7 and the actual value at x=5 is measured to be y=41.2 find the value of the residual at this point. residual=[?]
Solution
4.2
(193 Votos)
Ariane
Mestre · Tutor por 5 anos
Resposta
To find the residual at the point where
, we need to use the formula for the residual in a regression model:
Given:- The predicted value (
) when
is
.- The actual value (
) when
is
.Now, we can calculate the residual:
So, the value of the residual at this point is
.