Hypothesis testing for difference among two population mean

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A random sample of 80 Tempe city employees average 13.1 years of education. A random sample of 75 Mesa city employees average 13.3 years of education. Which test should we use to determine whether the difference between Mesa and Tempe is statistically significant? Why? Should it be one or two-tailed?

Reference no: EM1319899

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Hypothesis testing for difference among two population mean : Which test should we use to determine whether the difference between Mesa and Tempe is statistically significant? Why? Should it be one or two-tailed?

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