You are required to set up a predictive equation involving variable 1 and variable 2. Fist you plot the Data to determine if linear regression applies. You decide:

1. You need more information before deciding to use linear regression.
2. Linear regression is not useful because the points have no discernible pattern.
3. The linear regression equation will be very useful because the points have a stong linear pattern.
4. Linear regression is not applicable because the point pattern is curvilinear (has a curve).

Linear regression is not applicable because it appears that there are tow linear patters indication that the data come from two population