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please assist Working Backwards from the Confidence m II LV Find the Sample Mean Sometimes when we read statistical studies, only the confidence interval is

please assist

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Working Backwards from the Confidence m II LV Find the Sample Mean Sometimes when we read statistical studies, only the confidence interval is stated; however, if the confidence interval is known, we can work backwards to find the sample mean. Suppose a sample mean was used to construct an interval of (40, 50). What was the value of the sample mean

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