Write the null hypothesis.
A sociologist was interested in determining if there was a relationship between age of a young adult (18 to 35 years old) and type of movie preferred. A random sample of 93 adults revealed the following data. Test if age and type of movie preferred are independent at the 5% level of significance.
18-23 years old
24-29 years old
30-35 years old
Totals
Drama
8
15
11
34
Science Fiction
12
10
8
30
Comedy
9
8
12
29
Totals
29
33
31
93
A) Age and type of movie preferred are not independent.
B) Age and type of movie preferred are independent.
C) Age and type of movie preferred are not the same.
D) Age and type of movie preferred are related.
E) Cannot be determined.