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(Solved): Mr. Punhu is assigned as the new manager of Vorld Gym. He plans to run a new infomercial on Youtube ...



Mr. Punhu is assigned as the new manager of Vorld Gym. He plans to run a new infomercial on Youtube promoting the new BFID (BFID Deduction) program by Vorld Gym. He would like to conduct a study shows that the program will significantly reduce BFI (Body Fat Index) of the participants. Mr. Punhu recalls vaguely that in his statistics class, comparison of two normal means maybe suitable as a statistical formulation of this problem. Can you give him more detailed suggestions? Hint: For example, you can compare and explain between two-sample design and paired design: which is more suitable for this problem? Also comment on the underlying assumptions needed for the designs and how the data sets can be analyzed respectively.



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