Question

Consider the linear regression of the weights (Y in kilograms) of a group of children between the ages (X in months) of 12 and 36 months. Based on the data for 50 children, the least squares regression line is Y = 7.2 + 0.25X.  John, 15 months old child weighs 8.7 kilograms. Its predicted weight (in kilograms) is ______ and corresponding residual is ____.  

Select one:

a. 10.95; 3.48

b. 18.05; -0.82

c. 10.95; 2.25

d. 10.95; -2.25

e. 15.02; -3.48

Answer 1

Answer---->>

Correct option is. d) 10.95 ; -2.25