Question: Corn yield varies over time. Run the simple linear regression using year to predict corn yield. (a) Summarize the results of your analysis, including the

Corn yield varies over time. Run the simple linear regression using year to predict corn yield.

(a) Summarize the results of your analysis, including the significance test results for the slope and R2 for this model.

(b) Analyze the residuals with a Normal quantile plot. Is there any indication in the plot that the residuals are not Normal?

(c) Plot the residuals versus soybean yield. Does the plot indicate that soybean yield might be useful in a multiple linear regression with year to predict corn yield? Explain your answer.

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