Answer Happy

BOOK Bicycling World, a magazine devoted to cycling, reviews hundreds of bicycles throughout the year. Its Road Race category contains reviews of teydessed by riders orman interested in racing. One of the most important factors in selecting a bicycle for racing is the weight of the bicycle. The following data show the weight (pounds) and orice () for ten rading byder reviewed by the magazine, Click on the datafile logo to reference the data DATA file Weight (lb) 17.9 16:2 15.0 16.0 Model Ferro 70 HX 5000 Durbin Ultralight Schmidt Wilton Advanced Bicyclette vélo Supremo Team XTC Racer D'Onofrio Pro Americana #6 17.3 13.2 16.3 172 17.7 14.2 Price () 2,200 6,350 8,470 6,300 4,100 8,700 6.100 2,680 3.500 8,100 (a) Choose a scatter chart below with weight as the independent variable 2 20 10 10 14 12 10 . 5 We 4 2 3000 1000 30000 2000 1000

(b) Use the data to develop an estimated regression equation that could be used to estimate the price for a bicyde given ts weight. What is the estimated regression model? Let x represent the bicyde weight. required, round your answers to two decimal places. For wbtractive or negative numbers amous sign even if there is a wgn before the blank cang-300 24586.32 -1164.17 @ (e) Test whether each of the regression parameters fo and is equal to zero at 0.05 level of significance. What are the correct interpretations of the estimated regretion parameters? Are these interpretations reasonable? The input in the box below will not be graded, but may be reviewed and considered by your instructor blank (d) How much of the variation in the prices of the bicycles in the sempit does the regression model you estimated in part() explain? If required, round your answer to two decimal lacet (e) The manufacturers of the D'Onofrio Pro plan to introduce the 15 D'Onofrio Flite bicycle later this year. Use the regression model you estimated in part (b) to predict the price of the D'Onofrio Ete. If required, round your answer to the nearest whole number. Do not round Intermediate calitations Hirte Feedback