For items 25 to 26: A farmer has decided to use a new additive to grow his crops. He divided his farm into 10plots andkeptrecords of the corn yield (in bush els) before and afterusing the additive....

Extracted text: For items 25 to 26: A farmer has decided to use a new additive to grow his crops. He divided his farm into 10plots andkeptrecords of the corn yield (in bush els) before and afterusing the additive. The results are shown below. 3 8. PLOT 1 BEFORE 9 5 6 7 8 5 10 6 8 9 10 10 10 6. 7 11 12 AFTER 10 6. 6. 8. 10 You wish to test the follo wing hypothesis at the 10 percentlevel of significance. Ho: o = 0 vs HA: D # 0. 25. What is the value of the appropriate test statistic? C. 2.033 A 2.536 B. -5.014 D. 1.584 26. What can you conclude aboutthenew additive at 10%level of significance? A Thereis enough evidence that the additive is not effective in growing corns. B. Thereis no difference between the yield of com before and after applying the additive. C Thereis not enough evidence that the additive is effective in growing corn. D. The additive has increased the yield of corn. 67