You are interested in whether there is any association between gender and perception of movie plots. You show a movie that contains both action and love themes to a group of 70 research participants. You ask each par- ticipant to categorize the plot as either love, action, or both. Consider the following table of results:
|
|
Perception of Movie Plot
|
|
Love
|
Action
|
Both
|
Total
|
|
Gender
|
Female
|
7
|
12
|
15
|
34
|
|
Male
|
9
|
11
|
16
|
36
|
|
Total
|
16
|
23
|
31
|
70
|
a. How many degrees of freedom are involved?
b. What is the calculated value of c2?
c. Assuming the .05 level of signi?cance, what would you conclude?