For items 25 to 26: A farmer has decided to use a new additive to grow his crops. Hedivided his farm into 10plots andkeptrecords of the corn yield (in bush els) beforeand afterusing the additive. The results are shown below.38.PLOT 1BEFORE 95 6 78 510 68 9 1010106.71112AFTER 106.6.8.10You 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. 2.033A 2.536B. -5.014D. 1.58426. What can you conclude aboutthenew additive at 10%level of significance?A Thereis enough evidence that the additive is not effective in growingcorns.B. Thereis no difference between the yield of com before and after applyingthe additive.C Thereis not enough evidence that the additive is effective in growingcorn.D. The additive has increased the yield of corn.67

INTRODUCTION : PAIRED T-TEST : test of significance of mean of differences let, x1,x2, . . . .…

For items 25 to 26: A farmer has decided to use anew additive to grow his crops. He divided his farm into 10 plots andkeptrecords of the corn yield (in bushels) before and afterusingthe additive. The results are shown below. PLOT BEFORE 9 2 6. 10 5 6 7 8. 10 1 4 10 6. 10 10 11 12 AFTER 6. 6. 8. 10 You wish to test the follo wing hypothesis at the 10 percentlevel of significance. Họ: p = 0 vs HA: D # 0. %3D 25. What is the value of the appropriate test statistic? A 2.536 26. What can you conclude about thenew additive at 10%level of significance? A Thereis enough evidence that the additi ve is not effective in growing B. -5.014 C. 2.033 D. 1.584 corns. B. Thereis no difference between the yield of com before and after applying the additive. C Thereis not enough eviden ce that the additive is effective in growing corn. D. The additive has increased the yield of corn. 756 567

For items 25 to 26: A farmer has decided to use anew additive to grow his crops. He divided his farm into 10 plots andkeptrecords of the corn yield (in bushels) before and afterusingthe additive. The results are shown below. PLOT BEFORE 9 2 6. 10 5 6 7 8. 10 1 4 10 6. 10 10 11 12 AFTER 6. 6. 8. 10 You wish to test the follo wing hypothesis at the 10 percentlevel of significance. Họ: p = 0 vs HA: D # 0. %3D 25. What is the value of the appropriate test statistic? A 2.536 26. What can you conclude about thenew additive at 10%level of significance? A Thereis enough evidence that the additi ve is not effective in growing B. -5.014 C. 2.033 D. 1.584 corns. B. Thereis no difference between the yield of com before and after applying the additive. C Thereis not enough eviden ce that the additive is effective in growing corn. D. The additive has increased the yield of corn. 756 567

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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For items 25 to 26: A farmer has decided to use a new additive to grow his crops. He divided his farm into 10 plots and kept records of the corn yield (in bushels) before and after using the additive. The results are shown below. PLOT 1 2 3 4 6. 8. 9. 10 BEFORE 9 9. 8. 7 8. 6. 10 11 AFTER 10 9. 9. 8. 7 10 6. 10 10 12 You wish to test the following hypothesis at the 10 percent level of significance. Ho: HD : = 0 vs HA: HD # 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 about the new additive? A. There is enough evidence that the additive is not effective in growing corns. B. There is no difference between the yield of corn before and after applying the additive. C. There is not enough evidence that the additive is effective in growing corn. D. The additive has increased the yield of corn.
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