Good model? In justifying his choice of a model, a student wrote, “I know this is the correct model because R 2 = 99.4%.”  a) Is this reasoning correct? Explain.  b) Does this model allow the student...

Good model? In justifying his choice of a model, a student wrote, “I know this is the correct model because R²
= 99.4%.”

 a) Is this reasoning correct? Explain.

 b) Does this model allow the student to make accurate predictions? Explain.