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A Researcher Wanted to Study Effect of Two Factors, X₁

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A researcher wanted to study effect of two factors, x₁ and x₂, on yield (y). The observations are given below.
A researcher wanted to study effect of two factors, x₁ and x₂, on yield (y). The observations are given below. a. Develop an estimated linear regression equation with the factor x₁ as the independent variable. Test for a significant relationship between factor x₁ and yield at the 0.05 level of significance. b. How much of the variation in the sample values of yield does the model in part (a) explain? a. Develop an estimated linear regression equation with the factor x₁ as the independent variable. Test for a significant relationship between factor x₁ and yield at the 0.05 level of significance.
b. How much of the variation in the sample values of yield does the model in part (a) explain?

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