The bar for the number of people who take the bus should be 7 rows tall on the bar chart.
To determine how many rows tall the bar for the number of people who take the bus should be on a bar chart, we need to know the frequency of people who take the bus.
According to the given data, the frequency of people who take the bus is 7.
Therefore, the bar for the number of people who take the bus should be 7 rows tall on the bar chart.