A sports statistician was interested in the relationship between game attendance in thousands) and the number of wins for baseball teams. Information was collected on several teams and was used to obtain the regression
equation ý = 4.9x + 15.2, where x represents attendance (in thousands) and is the predicted number of wins.
Which statement best describes the meaning of the slope of the regression line?
-For each increase in attendance by 1,000, the predicted number of wins increases by 4 9.
-For each increase in attendance by 1,000, the predicted number of wins increases by 15 2.
-For each increase in the number of wins by 1, the predicted attendance increases by 4,900.
-For each increase in the number of wins by 1, the predicted attendance increases by 15,200.