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Description: It is known that the average weight of the products produced in a factory is 150 grams. The shape of the population is normal, but the population variance is unknown. 16 products were randomly drawn from the production line. The mean of this sample m

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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It is known that the average weight of the products produced in a factory is 150 grams. The shape of the population is normal, but the population variance is unknown. 16 products were randomly drawn from the production line. The mean of this sample mass was 145 grams and its standard deviation was 4 grams. Test the claim of the researcher that the mean weight of the products produced in the factory is different from 150 grams at a significance level of 0.05.

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