Answered: experiment in the coming year on a 10…

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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Transcribed Image Text:A company is trying to convince farmers from all over the country who all use the same popular brand of fertilizer that their new brand CORNPLOSION will lead to an increased crop yield. To compare which fertilizer is better, the farmers agree to an experiment in the coming year on a 10 acre large plot on their land. They will divide the plot down the middle and apply their regular fertilizer to one half and the CORNPLOSION to the other. It is believed that within different regions of the country, soil is similar because the water and minerals are the same in an area. The yields of corn (measured in bushels per acre) is recorded below along with other computed statistics. Field Popular OLD CORNPLOSION delta: C-G 1 15 21 6. 2 12 16 4 8. 7 -1 4 22 30 8 14 12 -2 25 33 8 7 11 14 3 12 21 20 22 2 10 18 16 -2 MEAN 15.70 19.20 3.50 Std Dev 5.40 7.96 4.22

Which of the following would be the correct test statistic calculation and p value for a test whose alternative hypothesis was that the CORNPLOSION was better?
19.20 - 15.70
= 1.151
5.42, 5.42
+
10
Oa.
10
and the p value was approximately 0.8603
19.20 - 15.70
1.151
5.42 5.42
Ob.
10
10
and the p value was approximately 0.1397
3.50
-=2.621
´ 4.22
OC.
10
and the p value was approximately 0.0139
3.50
-=2.621
O d.
4.22
V10
and the p value was approximately 0.9861

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