5_19

 

Prediction

# X Y
1 10 50
2 8 40
3 9 45

See Equation Above

Y = 5(X) + 0

Y = 5(7) + 0

Y = 35

Note: the same formula can be used to predict a score on Test X using information from Test Y. Just make sure you plug your X and Y variables into the correct place in the formula.