Project #17385 - Statistics 5

 

1.       The data on the Weight worksheet (attached) represent the weight of 25 people who went on a prescribed diet at the beginning of a one-year time period.   The Before weights are their weights at the start of the program and after are weights one year later.

a.       Use the formula              d? xb - xa

                                   t=  _____________

                                                  S. E. ?

                                                          d

 

 

to test the hypothesis that weight before equals weight after is less than before, and indicate your conclusion.

b.      Use the excel add-in for related data and replicate the results found in (a).

Please note the (-) symbol at the top is supposed to be directly above the big d.  And the (-) symbol at the bottom is supposed to be directly above the small d.  I didn’t know how to create these equations.

 Please use attached worksheet for information.  Please use excel spreadsheet to complete.  Thanks!

Subject Mathematics
Due By (Pacific Time) 11/21/2013 05:00 pm
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