Answer:
The scatter plot of the given data is shown below.
Explanation:
The given data is
Time (years) Number of participants
3 22
6 25
9 28
12 14
15 17
18 20
21 15
24 9
In the scatter plot the x-axis represents the time in years and the y intercept represents the number of participants.
The scatter plot of the given data is shown below.