Question

An investigator is interested in whether the number of dresses tried on in a department store for a wedding will be affected by viewing a fashion magazine. A sample of 5 women was measured on how many dresses each tried on before and after viewing a fashion magazine. The before-and-after scores are as follows:

Subject                                        Before                      After

1                                                    6                                    2

2                                                      5                                  7

3                                                    9                                    6

4                                                    1                                    3

5                                                    8                                   5

7. Please run the appropriate SPSS analysis and cut and paste your results here:

8. Based on your SPSS results, please answer the following questions:

(a) What decision did you make? Reject or fail to reject the null? __________________

(b) Please write your “statistical statement”: ________________________________

(c) Please interpret the results of your analysis “in words” and relating DIRECTLY back to the research question.

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

(d) Is there a probability of Type I error?   Yes ________   No______

(e) Is there a probability of Type II error?   Yes_______   No______

Answer 1