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Free GMAT Graphics Interpretation Practice Question

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Patient revenue by hospital, split across inpatient, outpatient, emergency, $MThree stacked bars, one per hospital; each bar has three segments: inpatient, outpatient, emergency, in $M.044881321762201503020Mercy605540Summit403525HarborPatient revenue ($M)InpatientOutpatientEmergency

The stacked bar chart below shows, for three hospitals (Mercy, Summit, and Harbor), last year's patient revenue split across three service lines: inpatient, outpatient, and emergency, in millions of dollars. Each bar is divided into three stacked segments, one per service line. Select from each drop-down menu to complete the statement so that it is most accurate according to the data shown.

Counting only outpatient and emergency revenue together, the hospital with the most was , with a combined outpatient-and-emergency total of .

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Answer & Explanation

Correct answer

1: Summit · 2: $95 million

The chart stacks three service lines into each hospital's bar, and the question deliberately asks about only two of them. The blank wants the hospital with the most outpatient and emergency revenue combined, which means adding just those two segments for each hospital and leaving inpatient out, even though inpatient is the biggest band on the chart.

Add the outpatient and emergency bands for each hospital. Mercy has 30 + 20, which is 50. Summit has 55 + 40, which is 95. Harbor has 35 + 25, which is 60. So Summit wins, with $95 million combined.

The trap is the tallest bar. Mercy's bar is the tallest on the chart, because Mercy earns a huge $150 million in inpatient revenue, and the eye reads tallest as most. But the question excludes inpatient, and once you drop that band Mercy has only $50 million in the service lines the question cares about, the smallest of the three. Summit, whose bar is a little shorter overall, has by far the most outpatient and emergency revenue. When a question names specific segments, add only those segments; do not let the full height of the bar answer a question about part of it.