An investigator is interested in whether the number of dresses tried on in a department store for a wedding will be affected by viewing in 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

1. What is the research's hypothesis ?

2. What is the null hypothesis?

3. What is the independent variable ?

4. What is the dependent variable ?

5. What is the name of the research design?

6. What is the appropriate hypothesis test to analyze these data?

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 of fail to reject the null?

b)Please write your " statistical statement "

c) Please inter pret the results of your analysis " in words" and relating DIRECTLY back to the research '

d) Is there a probability of Type I error ? Yes____ No___

e) Is there a probability of a Type II error? Yes___ No___