Concept:The mean of a frequency distribution is found by dividing the total of fx by the total frequency.Explanation:First, multiply each score x by its frequency f to get fx.Then, find the total frequency and the total of fx.
Score (x)
0
1
2
3
4
5
6
Total
Freq (f)
5
7
3
7
11
6
7
46
fx
0
7
6
21
44
30
42
150
The total frequency is ∑f=46.The total of fx is ∑fx=150.Use the formula for the mean:Mean=∑f∑fx=46150Simplify the value:46150=3.26087⋯≈3.26Answer:The correct option is A: 3.26.