You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
import statistics

data_set = [
    [21, 24, 23, 20, 19, 19],
    [15, 22, 20, 16, 8, 14],
    [7, 6, 5, 9, 10, 14]
]

for group in data_set:
    print("Mean: " + str(statistics.mean(group)))
    print("Median: " + str(statistics.median(group)))
    print("Standard Deviation: " + str(statistics.stdev(group)))
    print()
user
Mean: 21
Median: 20.5
Standard Deviation: 2.0976176963403033

Mean: 15.833333333333334
Median: 15.5
Standard Deviation: 4.915960401250875

Mean: 8.5
Median: 8.0
Standard Deviation: 3.271085446759225
assistant