Two companies are producing a same product. But customers say that there is a difference in the weight of the product between the two companies. You have been appointed to test this statement. When 15 items from company one is tested, average weight was 50.2 kg with a standard deviation of 3.1 kg. When 15 items from company two is tested, average weight was 48.3kg with a standard deviation of 4.2 kg. Test the statement at 5% level of significance.

Two companies are producing a same product. But customers say that there is a difference in the weight of the product between the two companies. You have been appointed to test this statement. When 15 items from company one is tested, average weight was 50.2 kg with a standard deviation of 3.1 kg. When 15 items from company two is tested, average weight was 48.3kg with a standard deviation of 4.2 kg. Test the statement at 5% level of significance.

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter4: Eigenvalues And Eigenvectors

Section4.6: Applications And The Perron-frobenius Theorem

Problem 25EQ

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