To find the answer, we have to create a frequency table. Remember that frequency is the number of times a number appears.
Number Frequency
15 1
17 1
19 1
20 3
21 1
22 2
24 1
Now, we can graph this using a histogram.
From the histogram, we can deduct that the given data doesn't represent a normal distribution because it doesn't have a bell shape.
Therefore, the answer is B. no.