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Researchers are interested in the mean age of a certain population Let us say they are asking the following questions: can we conclude that the

Researchers are interested in the mean age of a certain population Let us say they are asking the following questions: can we conclude that the mean age of the population is different from 30years?The data available to the researcher are the ages of a simple random sample of 10 individuals drawn from the population of interest.The sample mean is computed as 27years and the population variance assumed to be 20 carry out the test at 5% level of significance

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