Explanation Given info: The data represents the ages (years) 146 employees who perished in the triangle factory fire that occurred on march 25, 1911. Calculation: Let first population denote the female workers ages and the second population denote male worker ages. The hypotheses are given below: Null hypothesis: H 0 : μ 1 = μ 2 Alternative hypothesis: H 1 : μ 1 < μ 2 Test statistic and P-value: Software Procedure: Step by step procedure to obtain test statistic and P -value using the MINITAB software: Choose Stat > Basic Statistics > 2-Sample t . Choose Sample in different columns . In first, enter Females In second, enter Males Choose Options . In Confidence level , enter 95 . In Alternative , select less than . Click OK in all the dialogue boxes. Output using the MINITAB software is given below:

12th Edition

ISBN: 9781269598064

Author: Triola

Publisher: PEARSON

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Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative p…

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Chapter 9, Problem 4FDD

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To test: The claim that the female workers have a mean age that is less than that of male workers.

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Chapter 9, Problem 3FDD

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Chapter 9 Solutions

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To test: The claim that the female workers have a mean age that is less than that of male workers.

Solution Summary: The author concludes that there is sufficient evidence to support the claim that the female workers have a mean age that is less than that of male workers.

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To test: The claim that the female workers have a mean age that is less than that of male workers.

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Chapter 9 Solutions