Mathematics, 12.08.2019 20:30 kennyg02
Auniversity surveyed recent graduates of the english department about their starting salaries. four hundred graduates returned the survey. the average salary was $25,000. assume for purposes of this problem that the population standard deviation is known, and it is $2,500. what is the 95% confidence interval for the mean salary of all graduates from the english department?
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Auniversity surveyed recent graduates of the english department about their starting salaries. four...
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