Statistics Help!

(20 points) 1. The following graph is a residual plot derived from a scatterplot that predicted the height of girls from their ages (in years). a. Does the residual plot indicate that a line is a good model for predicting the height of girls from their ages? Explain. Answer: b. If you were using the regression line to predict the yvalue for x = 5.5 years, would your prediction most likely be too large or too small? Explain your reasoning