The graph shows the number of at an underground station in London over a period of a day. The busiest time of the day is in the morning.
The number of people increases sharply early in the morning until it reaches a peak of 400 people at 8:30am. Similarly the numbers of people increase from its lowest to its peak again at 6 o’clock in the evening with a number of nearly 400 people. During the day from 10 am to 4 in the afternoon the number of people ranges between 180 to 300 people. After that the number of people drops steeply to its lowest value during the day with less than 100 people.
To sum up, the graph shows that the number of people reach its highest values early in the morning when people are going to work and retiring from work.
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