Charts Drills

Question 2/90

Fleet Mix Makeover

5 minCase Type: Bar ChartDifficulty: Easy

Prompt

Your client is a regional transport authority that licenses commercial vehicles. The authority is planning road, parking, and emissions policy and wants to understand how the composition of the licensed fleet changed between 2018 and 2019.

The exhibit is a 100 percent stacked bar chart showing the share of the fleet accounted for by cars, buses, vans, trucks, and motorcycles in each year. The bars show percentage shares of the total fleet, not vehicle counts.

Question: What can you conclude from this exhibit, and what should the authority watch out for when interpreting it?

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The number of vans in the fleet declined from 2018 to 2019.

The exhibit is a 100 percent stacked bar chart that breaks the vehicle fleet into cars, buses, vans, trucks, and motorcycles, showing each category's percentage share in 2018 and 2019.

The fleet mix shifted toward heavy vehicles: buses and trucks together rose from 35 percent of the fleet in 2018 to 60 percent in 2019, while cars, vans, and motorcycles together fell from 65 percent to 40 percent.

Motorcycles' share halved from 20 percent to 10 percent and cars' share fell by a third from 15 percent to 10 percent, leaving the two tied as the smallest categories in 2019.

Trucks were the biggest winner, tripling their share from 10 percent to 30 percent and moving from the smallest category in 2018 to joint-largest, tied with buses, in 2019.

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Fleet Mix Makeover

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