Zagat’s publishes restaurant ratings for various locations in the United States. The Restaurants spreadsheet contains the Zagat
rating for food, décor, service, and the cost per person for a sample of 100 restaurants located in the center of New York City and in an outlying area of New York City. Develop a regression model to predict the cost per person, based on a variable that represents the sum of the ratings for food, décor, and service
Well, if I remember correctly, Zeroes just mean the x values. But I can't tell where your equation breaks apart; like which parts are which parts of the equation