2.4. Single Sample T-Test
Data File: https://www.theopeneducator.com/doe/hypothesis-Testing-Inferential-Statistics-Analysis-of-Variance-ANOVA/0-all-data-module-2-hypothesis-testing
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A Google search on the average/mean weight of US male provides 90 kg. You want to check whether this information is valid anymore. You decided to collect a representative random sample of US male population, which can be downloaded from the open educator website. Assume that the weight data is normally distributed. What would be an appropriate alternative hypothesis for this research question?
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A Google search on the average/mean weight of US male provides 90 kg. You want to check whether this information is valid anymore. You decided to collect a representative random sample of US male population, which can be downloaded from the open educator website. Assume that the weight data is normally distributed. What statistical decision would you make from the analysis? Use the level of significance 0.1 instead of the typical 0.05.
10 points
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A Google search on the average/mean weight of US male provides 90 kg. You want to check whether this information is valid anymore. You decided to collect a representative random sample of US male population, which can be downloaded from the open educator website. Assume that the weight data is normally distributed. What contextual conclusion would you reach from the statistical analysis you have performed?  Use the level of significance 0.1 instead of the typical 0.05.
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A Google search on the average/mean weight of US male provides 90 kg. You want to check whether this information is valid anymore. You decided to collect a representative random sample of US male population, which can be downloaded from the open educator website [Data File Name: DOEM2.4]. Assume that the weight data is normally distributed. What would be an appropriate null hypothesis for this your research question?
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A Google search on the average/mean weight of US male provides 90 kg. You want to check whether this information is valid anymore. You decided to collect a representative random sample of US male population, which can be downloaded from the open educator website. Assume that the weight data is normally distributed.  What would be an appropriate statistical method for your research question?
10 points
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A Google search on the average/mean weight of US male provides 90 kg. You want to check whether this information is valid anymore. You decided to collect a representative random sample of US male population, which can be downloaded from the open educator website. Assume that the weight data is normally distributed. Using an appropriate statistical method, what is the p-value of the test?
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