Find the equation for the least squares regression line of the data described below. The owner of a restaurant would like to expand the menu but is concerned that this may detract from the quality of the food. Over the next few weeks, he varies the number of dishes on the menu and asks his customers to fill out comment cards. Each week he notes the number of dishes offered, x, as well as the average customer satisfaction rating on a scale of 1 to 10, y, where 10 is excellent. Dishes Rating 15 6 20 5 20 5 23 4 24 6 Round your answers to the nearest thousandth. y = X +
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