An Agronomist Used Four Test Plots to Determine the Relationship

question 53

Multiple Choice

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) ; (I
• I) 39.10
• B) (
• I) ; (I
• I) 45.90
• C) (
• I) ; (I
• I) 44.18
• D) (
• I) ; (I
• I) 42.32
• E) (
• I) ; (I
• I)54.94

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