Mathematics, 17.06.2021 17:50 AM28
The heights of male college students are normally distriubted with mean of 68 inches and standard deviation of 3 inches. If 80 samples consisting of 25 students each are drawn from the population, what would be expected mean and standard deviation of the resulting sampling distribution of the means?. Assume that the population is infinite.
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Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample
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