Question: In the Excel file there is a sheet called corn yield data. Use this data to test whether Champaign County mean yield differs from 197

In the Excel file there is a sheet called "corn yield data." Use this data to test whether Champaign County mean yield differs from 197 /acre at alpha equal to 0.05. Hint, Excel does not have a command for this test you will have to calculate using commands in Excel.

Sub-questions

2.1 What is the null hypothesis?

2.2 What is the alternative hypothesis?

2.3 By hand or using Excel draw the t-distribution labeling, the critical values rejection and fail to reject regions, the calculated t-statistic.

2.4 Do you fail to reject or reject the null hypothesis?

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