“The average production of corn in the Philippines is 3,000 kgs. A new plan for food has been developed and is tested on 60 plots. The mean yield with the new plan on food is 3,200 kgs with a standard deviation of 600 kgs. At α = 0.05 level of significance, can you conclude that the production increased?” What test statistic is to be used on the given problem?     a. t-test b. z-test c. left-tailed test d. right-tailed test

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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“The average production of corn in the Philippines is 3,000 kgs. A new plan for food has been developed and is tested on 60 plots. The mean yield with the new plan on food is 3,200 kgs with a standard deviation of 600 kgs. At α = 0.05 level of significance, can you conclude that the production increased?” What test statistic is to be used on the given problem?
 
 
a. t-test
b. z-test
c. left-tailed test
d. right-tailed test
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