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An Agronomist Used Four Test Plots to Determine the Relationship

Question 53

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An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in pounds per acre) .The results are shown in the table. ​
An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in pounds per acre) .The results are shown in the table. ​ ​(I) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data. ​(II) Estimate the yield for a fertilizer application of 160 pounds per acre. ​ A) (I) ; (II) 39.10 B) (I) ; (II) 45.90 C) (I) ; (II) 44.18 D) (I) ; (II) 42.32 E) (I) ; (II) 54.94
​(I) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data.
​(II) Estimate the yield for a fertilizer application of 160 pounds per acre.
​


A) (I) An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in pounds per acre) .The results are shown in the table. ​ ​(I) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data. ​(II) Estimate the yield for a fertilizer application of 160 pounds per acre. ​ A) (I) ; (II) 39.10 B) (I) ; (II) 45.90 C) (I) ; (II) 44.18 D) (I) ; (II) 42.32 E) (I) ; (II) 54.94 ; (II) 39.10
B) (I) An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in pounds per acre) .The results are shown in the table. ​ ​(I) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data. ​(II) Estimate the yield for a fertilizer application of 160 pounds per acre. ​ A) (I) ; (II) 39.10 B) (I) ; (II) 45.90 C) (I) ; (II) 44.18 D) (I) ; (II) 42.32 E) (I) ; (II) 54.94 ; (II) 45.90
C) (I) An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in pounds per acre) .The results are shown in the table. ​ ​(I) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data. ​(II) Estimate the yield for a fertilizer application of 160 pounds per acre. ​ A) (I) ; (II) 39.10 B) (I) ; (II) 45.90 C) (I) ; (II) 44.18 D) (I) ; (II) 42.32 E) (I) ; (II) 54.94 ; (II) 44.18
D) (I) An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in pounds per acre) .The results are shown in the table. ​ ​(I) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data. ​(II) Estimate the yield for a fertilizer application of 160 pounds per acre. ​ A) (I) ; (II) 39.10 B) (I) ; (II) 45.90 C) (I) ; (II) 44.18 D) (I) ; (II) 42.32 E) (I) ; (II) 54.94 ; (II) 42.32
E) (I) An agronomist used four test plots to determine the relationship between the wheat yield y (in bushels per acre) and the amount of fertilizer x (in pounds per acre) .The results are shown in the table. ​ ​(I) Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the data. ​(II) Estimate the yield for a fertilizer application of 160 pounds per acre. ​ A) (I) ; (II) 39.10 B) (I) ; (II) 45.90 C) (I) ; (II) 44.18 D) (I) ; (II) 42.32 E) (I) ; (II) 54.94 ; (II) 54.94

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