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  3. 1 the following data gives annual salaries in thou

1 The following data gives annual salaries in thousands of randomly chosen employees with college...

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1 The following data gives annual salaries in thousands of randomly chosen employees with college degrees Some of these employees have only Bachelors degrees and some have Masters PhDs At a 0 05 can we claim that the mean salaries of employees with Bachelors degrees are lower Bachelors 89 89 78 65 88 45 101 37 112 78 67 100 Masters PhDs 120 130 69 Test using a a hypothesis test b a confidence interval 68 160 68 200 78 80 88

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