Question: Two samples have means which differ by 2.7. Sample 1 has 16 observations with a standard deviation of 4.2 and Sample 2 has 25 observations

Two samples have means which differ by 2.7. Sample 1 has 16 observations with a standard deviation of 4.2 and Sample 2 has 25 observations with a standard deviation of 5.3. Compute the upper limit on a 95% confidence interval on the difference in means with 2 decimal places (i.e. 4.56)

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