Hi. is "Highway MPG Relative to Class Average" the name of Y-axis? and the name of X-axis is "Engine Displacement" because we put in X-axis with displ. thanks:)

Hi Jeffrey. First of all, i really appreciate this Exercise solutions! and.. i need your help! why did you code ".data"? Is there any difference in the case of "data"? when i coded "data", The results were the same as ".data". i had tried to find a difference between them, i couldn`t find it....please let me know. does it have no difference?..