Given the result of experiments of two methods of weight loss procedures, in thi

Question

Given the result of experiments of two methods of weight loss procedures, in this case the is the weight loss of participants so larger is better the summarized data is given as: 3. N (sample size) Mean Standard deviation Procedure I 45 48 10 Procedure II 48 52 Standard error a. Find the 95% confidence interval of the population mean difference b. Can we conclude with a 0.0S that the data show significant evidence that one procedure is better than the other. We assume no prior knowledge about which procedure is better.

Explanation / Answer

As 0 is not included in the confidence interval and calculated confidece interval lie to the right of the 0. This means there are significant evidence to conclude that the one procedure is better than another.

Given Data Sample 1 Sample 2 Name Procedure 2 Procedure 1 mean 52 48 Sample size 48 45 Std. dev. 8.00 10.00

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