Different hotels in a certain area are randomly​ selected, and their ratings and prices were obtained online. Using​ technology, with x representing the ratings and y representing​ price, we find that the regression equation has a slope of 130 and a​y-intercept of −389.
Complete parts​ (a) and​ (b) below.
a. What is the equation of the regression​ line? Select the correct choice below and fill in the answer boxes to complete your choice.
A. y^ =_____ + ( _____ ) x^
B. y^ = ____ + ( ____) x
C. y = ____ + (____) x^
D. y + ____ + (____) x
b. What does the symbol y ​represent?
A. The symbol y^ represents the predicted value of price.
B. The symbol y^ represents the average price of hotels in the area.
C. The symbol y^ represents the expected price when the​ hotel's rating is 0.
D. The symbol y^ represents the amount that price increases with a​ 1-point increase in rating.
