Below is a dataset of ages and weights for a sample of members of !Kung San people in Africa. Time left 0:3 Age vs. Weight Weight 12 Age Using this dataset, researchers calculate a Least Squares Regression Equation of: y = 1.28x + 7 If you believe the prediction to be reliable, calculate the estimated Weight of a 19-year-old member of the !Kung San people. O a. 31.32kg O b. The prediction is not reliable. O c. 17.32kg O d. 157.32kg O e. 33.32kg