Assuming that both populations are normallyâ€‹ distributed, construct a 90â€‹% confidence interval about Î¼1 -Î¼2. â€‹(Î¼1 represents the mean of the experimental group and Î¼2 represents the mean of the controlâ€‹ group.)

Experimental Control

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The confidence interval has a lower bound of ___ and an upper bound of ___.

â€‹(Use ascending order. Round to two decimal places asâ€‹ needed.)

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