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The data on retail price and energy cost for 10 large side-by-side refrigerators is in the table below. Using excel answer the following questions. reproduced a. Give the equation of a straight-line model relating retail price y to energy cost x. b. Using excel estimate the slope and y-intercept of the line. Paste the results from excel. c. Write the equation of the least squares line. d. Use the least squares line to predict the retail price of a refrigerator with an energy cost of $80 per year. Brand Maytag MTB2156B Amana TR21V2 Kenmore (Sears) 7820 Whirlpool Gold GT22DXXG GEProfile TBX22PRY KitchenAid Prestige KTRP22KG Whirlpool ET21PKXG GE TBX22ZIB Frigidaire Gallery FRT20NGC Hotpoint CTX21DIB Price ($) 850 760 900 870 1100 800 650 750 750 570 Energy Cost per Year ($) 48 54 58 66 77 66 70 81 72 78

The data on retail price and energy cost for 10 large side-by-side refrigerators is in the table below. Using excel answer the following questions. reproduced a. Give the equation of a straight-line model relating retail price y to energy cost x. b. Using excel estimate the slope and y-intercept of the line. Paste the results from excel. c. Write the equation of the least squares line. d. Use the least squares line to predict the retail price of a refrigerator with an energy cost of $80 per year. Brand Maytag MTB2156B Amana TR21V2 Kenmore (Sears) 7820 Whirlpool Gold GT22DXXG GEProfile TBX22PRY KitchenAid Prestige KTRP22KG Whirlpool ET21PKXG GE TBX22ZIB Frigidaire Gallery FRT20NGC Hotpoint CTX21DIB Price ($) 850 760 900 870 1100 800 650 750 750 570 Energy Cost per Year ($) 48 54 58 66 77 66 70 81 72 78

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section: Chapter Questions
Problem 18T
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Please show all steps for a, b, c and d, with steps on how to do it on excel
The data on retail price and energy cost for 10 large side-by-side refrigerators is reproduced in the table below. Using excel answer the following questions. a. Give the equation of a straight-line model relating retail price y to energy cost x. b. Using excel estimate the slope and y-intercept of the line. Paste the results from excel. c. Write the equation of the least squares line. d. Use the least squares line to predict the retail price of a refrigerator with an energy cost of $80 per year. Brand Maytag MTB2156B Amana TR21V2 Kenmore (Sears) 7820 Whirlpool Gold GT22DXXG GEProfile TBX22PRY KitchenAid Prestige KTRP22KG Whirlpool ET21PKXG GE TBX22ZIB Frigidaire Gallery FRT20NGC Hotpoint CTX21DIB Price ($) 850 760 900 870 1100 800 650 750 750 570 Energy Cost per Year ($) 48 54 58 66 77 66 70 81 72 78
Transcribed Image Text:The data on retail price and energy cost for 10 large side-by-side refrigerators is reproduced in the table below. Using excel answer the following questions. a. Give the equation of a straight-line model relating retail price y to energy cost x. b. Using excel estimate the slope and y-intercept of the line. Paste the results from excel. c. Write the equation of the least squares line. d. Use the least squares line to predict the retail price of a refrigerator with an energy cost of $80 per year. Brand Maytag MTB2156B Amana TR21V2 Kenmore (Sears) 7820 Whirlpool Gold GT22DXXG GEProfile TBX22PRY KitchenAid Prestige KTRP22KG Whirlpool ET21PKXG GE TBX22ZIB Frigidaire Gallery FRT20NGC Hotpoint CTX21DIB Price ($) 850 760 900 870 1100 800 650 750 750 570 Energy Cost per Year ($) 48 54 58 66 77 66 70 81 72 78
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