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A spokesman for the Ministry of Environment stated that more than 75% of the plants around the factory in the Cikarang area were polluted. To test the government's statement, several factories in the Cikarang area appointed a research institute to prove this statement. Samples were taken from the polluted Cikarang area as many as 125 plants and it turned out that there were 106 plants affected by pollution. Are the results of the research from the sample in favor of the ministry of the environment?

A spokesman for the Ministry of Environment stated that more than 75% of the plants around the factory in the Cikarang area were polluted. To test the government's statement, several factories in the Cikarang area appointed a research institute to prove this statement. Samples were taken from the polluted Cikarang area as many as 125 plants and it turned out that there were 106 plants affected by pollution. Are the results of the research from the sample in favor of the ministry of the environment?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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A spokesman for the Ministry of Environment stated that more than 75% of the plants around the factory in the Cikarang area were polluted. To test the government's statement, several factories in the Cikarang area appointed a research institute to prove this statement. Samples were taken from the polluted Cikarang area as many as 125 plants and it turned out that there were 106 plants affected by pollution. Are the results of the research from the sample in favor of the ministry of the environment?
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Statistical hypothesis testing is an important method in inferential statistics. It is used to test the hypothesis about the population parameters.

Statistical tests are used to calculate the test statistic and p-value. This test statistic and p-value will eventually be used to make a decision on the rejection of the null hypothesis.

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