Bicycling, the world's leading cycling magazine, reviews hundreds of bicycles throughout the year. Their "Road-Race" category contains reviews of bikes used by riders primarily interested in racing. One of the most important factors in selecting a bike for racing is the weight of the bike. The following data show the weight (pounds) and price ($) for 10 racing bikes reviewed by the magazine. Brand Weight Price ($) FELT FS 17.8 2,100 PINARELLO Paris 16.1 6,250 ORBEA Orca GDR 14.9 8,370 EDDY MERCX EMX-7 15.9 6,200 BH RC1 Ultegra 17.2 4,000 BH Ultralight 386 13.1 8,600 CERVELO SS Team 16.2 6,000 GIANT TCR Advanced 2 17.1 2,580 WILIER TRIESTINA Gran Turismo 17.6 3,400 SPECIALIZED S-works Amira SL4 14.1 8,000 (a) Use the data to develop an estimated regression equation that could be used to estimate the price for a bike given the weight. (Round your numerical values to the nearest integer). (b) Compute . (Round your answer to three decimal places.) Did the estimated regression equation provide a good fit? O The estimated regression equation provided a good fit, since < 0.55. O The estimated regression equation did not provide a good fit, since« 0.55. . O The estimated regression equation provided a good fit, since 20.5s. O The estimated regression equation did not provide a good fit, since 2 0.55. (e) Predict the price (in dollars) for a bike that weighs 13 pounds. (Round your answer to the nearest dollar.)
Bicycling, the world's leading cycling magazine, reviews hundreds of bicycles throughout the year. Their "Road-Race" category contains reviews of bikes used by riders primarily interested in racing. One of the most important factors in selecting a bike for racing is the weight of the bike. The following data show the weight (pounds) and price ($) for 10 racing bikes reviewed by the magazine. Brand Weight Price ($) FELT FS 17.8 2,100 PINARELLO Paris 16.1 6,250 ORBEA Orca GDR 14.9 8,370 EDDY MERCX EMX-7 15.9 6,200 BH RC1 Ultegra 17.2 4,000 BH Ultralight 386 13.1 8,600 CERVELO SS Team 16.2 6,000 GIANT TCR Advanced 2 17.1 2,580 WILIER TRIESTINA Gran Turismo 17.6 3,400 SPECIALIZED S-works Amira SL4 14.1 8,000 (a) Use the data to develop an estimated regression equation that could be used to estimate the price for a bike given the weight. (Round your numerical values to the nearest integer). (b) Compute . (Round your answer to three decimal places.) Did the estimated regression equation provide a good fit? O The estimated regression equation provided a good fit, since < 0.55. O The estimated regression equation did not provide a good fit, since« 0.55. . O The estimated regression equation provided a good fit, since 20.5s. O The estimated regression equation did not provide a good fit, since 2 0.55. (e) Predict the price (in dollars) for a bike that weighs 13 pounds. (Round your answer to the nearest dollar.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter1: Expressions And Functions
Section1.5: Descriptive Modeling And Accuracy
Problem 15PPS
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