An evaluation survey designed to measure perceived program

Question

An evaluation survey, designed to measure perceived program effectiveness, was administered to a sample of 39 citizens who attended a community crime-prevention meeting. Using a scale of 0 to 10, the respondents were asked to rate the meeting in terms of effectiveness in presenting useful information. The responses were analyzed, based upon the place of residence of the respondent-northern sector, southern sector, eastern, or western sector-and the following results were found.

a. State an appropriate null hypothesis.

b. What are the values of each category mean?

c. What is the value of the grand mean?

d. What is the value of the SS_B?

e. What is the value of the SS_W?

f. What is the value of the df_B?

g. What is the value of the df_W?

h. What is the value of the MS_W?

i. What is the value of the MS_B?

j. What is the value of F?

k. Assuming you were working at the .05 level of significance, what would you conclude?