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Represents the mean of the control? group

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Reference no: EM132081015

How do I get the formula for the follow if assuming that both populations are normally? distributed, construct a 90?% confidence interval about μ1-μ2. (μ1 represents the mean of the experimental group and μ2 represents the mean of the control?group.)

            Experimental                        Control

n                  29                                   22

x                  49.5                              49.1

s                   6.3                               11.7

Reference no: EM132081015

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