Height and Head Circumference for Students and Teachers The scatterplot shows a solid blue line for predicting head circumference from height of teachers; the dotted red line is for predicting head circumference from height of students. The data were collected from a college.
a. Which line is higher, and what does that mean?
b. Which line has a steeper slope, and what does that mean?
![30_Height and Head Circumference.png](https://secure.tutorsglobe.com/CMSImages/30_Height and Head Circumference.png)