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DATAne: adscape David's Landscaping has collected data on home values (in thousands of $) and expenditures (in thousands of $) on landscaping with the hope
DATAne: adscape David's Landscaping has collected data on home values (in thousands of $) and expenditures (in thousands of $) on landscaping with the hope of developing a predicted model to help marketing to potential no clients. Date for 14 households may be found in the file Landscape. $1,000 ($1,060) 242 8.1 321 10.n 198 12.2 340 16.2 30p 15.6 18.0 23.5 200 9.5 521 17.5 547 22.0 437 12.1 464 13.5 635 17.9 13,9 (a] Develop a scatter diagram with home value as the independent variable. 900 Landscaping Expenditures ($1,000 300 20 100 100 200 300 400 500 GO0 700 800 900 20 Home Value 131,000) Landscaping Expenditures ($1,000) 900 EGG 400 Landscaping Expenditures ($1,000) 500 200 100 10 15 20 100 200 300 400 300 600 700 800 500 Landscaping Expandinarea ($1.090) Home Value (51,090) (b) what does the scatter plot developed in ship between the tree variables? The scatter diagram Indicates a raping expenditures. " The scatter diagram indicates n alue and landscaping expenditures. The scatter diagram indicates a expenditures. and landscaping The scatter diagram indicates a negative lin expenditures. he value and landscaping (c) Use the least squares method to develop the estimated regression equation. [Let * = home value (in thousands of $), and let = landscaping expenditures [in thousands of $). Round your numerical values to five decimal places.) - 0.021 42x + 6.30910 (d) For every additional $1,000 in home value, estimate how much additional will be spent (in $] on landscaping. (Round your answer to the nearest cent.) $ 24 (e] Use the equation estimated in part (c] to predict the landscaping expenditures [in $) for a home valued at $575,000. (Round your answer to the nearest dulac] $ 12523
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