Answer:
D. 5 minutes
Step-by-step explanation:
The median is the middle value of the values once they are placed in ascending order.
Week 1: 15, 22, 25, 32, 35, 38, 40
Median: 32
Week 2: 13, 17, 20, 27, 30, 35, 43
Median: 27
Difference in medians: 32 - 27 = 5
Answer: D. 5 minutes
