1. In order to design a safe workplace, a study was undertaken to evaluate the weight...
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1. In order to design a safe workplace, a study was undertaken to evaluate the weight of materials that could be lifted from the floor by a worker four times per minute. Five males aged 18-30 were used in the study, and the weight (kg) they could successfully lift is given below. At a = .05, can it be concluded the average weight that may be lifted under these circumstances exceeds 25 kg. Assume relevant distributions are normal. Subject Weight (kg) 1 25.8 2 36.6 3 26.3 4 21.8 27.2 а. State the hypothesis Ho: HA: b. State the appropriate test statistic and the level of significancel c. State the decision rules, label/complete the sketch to show rejection region d. Compute the test statistic and p-value i. Test Statistic: ii. P-value = е. State your conclusion 1. In order to design a safe workplace, a study was undertaken to evaluate the weight of materials that could be lifted from the floor by a worker four times per minute. Five males aged 18-30 were used in the study, and the weight (kg) they could successfully lift is given below. At a = .05, can it be concluded the average weight that may be lifted under these circumstances exceeds 25 kg. Assume relevant distributions are normal. Subject Weight (kg) 1 25.8 2 36.6 3 26.3 4 21.8 27.2 а. State the hypothesis Ho: HA: b. State the appropriate test statistic and the level of significancel c. State the decision rules, label/complete the sketch to show rejection region d. Compute the test statistic and p-value i. Test Statistic: ii. P-value = е. State your conclusion
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solution aiven subject weight kg 258 2 36 6 3 36 3 318 272 Sum 13... View the full answer
Related Book For
Elementary Statistics
ISBN: 978-0538733502
11th edition
Authors: Robert R. Johnson, Patricia J. Kuby
Posted Date:
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