Answer:
The only choice showing the correct distribution of frequencies is c.
Explanation:
Data Plots
Considering the provided data:
{11,15,8,2,7,10,9,12,11,8,12,3,14,8,2,9}
To produce a data plot, it's convenient to sort the data:
{2,2,3,7,8,8,8,9,9,10,11,11,12,12,14,15}
It's easier now to see the frequency of each data:
# :f
-----
2 :2
3 :1
7 :1
8 :3
9 :2
10:1
11:2
12:2
14:1
15:1
The only choice showing the correct distribution of frequencies is c.