Question: A market testing company wants to know if there is a difference in preference between two new types of chocolate bar. They also want to know if there is a gender difference.
a) How many cells would this ANOVA have?
b) What are the independent and dependent variables?
c) Here is the source table for this study. Write a conclusion for these results.
|
Source
|
SS
|
df
|
MS
|
F
|
|
Gender
|
6.24
|
1
|
6.24
|
6.50
|
|
Chocolate bar
|
20.24
|
1
|
20.24
|
21.08
|
|
Gender*Chocolate
|
8.99
|
1
|
8.99
|
9.36
|
|
Within
|
11.49
|
12
|
0.96
|
|
|
Total
|
46.96
|
15
|
|
|
d) What is the effect size for the interaction effect?