To find the median, add up the frequency column to find how many trains there were in total. There were 44 trains in total in this grouped frequency table, so work out 44 + 1 2 = 45 2 = 22.5. The median is therefore between the 22nd and 23rd values.
A' : -1, 3
B': 1, 2
C': 1, 5
Answer:
Step-by-step explanation:
