Question: Suppose that a 95% confidence interval for (1 - 2) is calculated to be (- 7.4, - 2.3). If we test H0: 1 = 2

Suppose that a 95% confidence interval for (µ1 - µ2) is calculated to be (- 7.4, - 2.3). If we test H0: µ1 = µ2 versus HA: µ1 ≠ µ2 using α = 0.10, will we reject H0? Why or why not?

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