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Q1 In a pilot study of a new fertilizer, 4 levels (1,3,4, and 5 pounds) were randomly assigned to 4 standard plots, resulting in the following yields of corn: Fertilizer (pounds) Yield (pounds) 65 3 65 4 80 5 85 a) identify X and Y b) calculate correlation between two variables and interpret the results c) calculate regression line between two variables and interpret the results d) what are the predicted pounds of corn if you used 6 pounds of fertilizer