Answers for Applied Statistics: Suppose that the Thickness of a Car Tyre

Answers for Applied Statistics: Suppose that the Thickness of a Car Tyre for $3 Only (Instant Download)

Suppose that the thickness of a car tyre is critical and measurement of the thickness of a random sample of 18 tyre have the variance of 0.68 cm it is assumed that the production is under control of the variation of the thickness is given by a variance not greater than 0.36 cm assuming that the population is normally distributed test the null hypothesis which says population variance is equal to 0.36 cm against the alternative hypothesis which says population is greater than 0.36 at the 5% level of significance.

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PUB-550 Topic 3 DQ 2

PUB-550 Topic 3 DQ 2 for $8 Only

PUB-550 Topic 3 DQ 2

Review the Healthy People 2020 website. Identify one of the health issues and propose a scenario that would use a z-test as the first step in the six steps of hypothesis testing. Discuss the remaining five steps based on your scenario, including clearly articulating the null and alternative hypotheses for your scenario.

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Answers for Applied Statistics: Regulation a Kind of Steel Should Weight

Answers for Applied Statistics: Regulation a Kind of Steel Should Weight for $3 Only (Instant Download)

Steel

According to the regulation a kind of steel should weight 185 kg if five pieces randomly selected from different productions have weights 171.6 , 191.8 , 178.3 , 184.9 and 189.1 kg test the null hypothesis which says the population mean is equal to 185 kg against the alternative hypothesis which says population mean is lower than 185 kg at the 5% level of significance.

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