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A researcher is interested in testing whether there're differences in mean between population one and population two. He randomly picks a sample of 9 items from the population one resulting in mean of 14.3 and standard deviation of 3.4. He randomly picks a sample of 14 items from population two resulting in the mean of 11.8 and standard deviation 2.9. Using the 10% level of significance what does the business researcher find? Suppose that the populations have equal variances and are normally distributed

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