Algebra and Trigonometry (6th Edition)
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- 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 135 and a y-intercept of - 352. 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. O A. ý=+ % = O B. 9= %3D C. y = O D. b. What does the symbol y represent? O A. The symbol y represents the amount that price increases with a 1-point increase in rating. O B. The symbol y represents the predicted value of price. O C. The symbol y represents the average price of hotels in the area. O D. The symbol y represents the expected price when the hotel's rating is 0.arrow_forwardEstimates for Medicare are given below: Year Cost (billion dollars) 1995 157 1996 178 1997 194 1998 211 1999 229 2000 247 Write the linear equation using the years 1997 and 2000. Write the linear regression equation Using the regression equation, predict the Medicare cost this year. Using the regression equation, interpret the slope in terms of this problem.arrow_forwardUsing the regression formula with a slope = 5000 and intercept = 10,000, what would the predicted income be for someone who has 15 years of education? A. 60,000 B. 150,000 C. 85,000 D. 75,000arrow_forward
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