During 2002, college work-study students earned a mean of $1252. Assume that a sample consisting of 45
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During 2002, college work-study students earned a mean of $1252. Assume that a sample consisting of 45 of the work-study students at a large university was found to have earned a mean of $1277 during that year, with a standard deviation of $210. Would a one-tail test at the 0.05 level suggest the average earnings of this university’s work-study students were significantly higher than the national mean?
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