Free GMAT Practice Question

Question 1 of 1
ID: GMAT-DI-TA-009
Section: Data Insights - Table Analysis (TA)
Topic: Table Analysis
Difficulty level: Hard

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A city waste authority runs one recycling drop-off centre in each of its twelve districts. For each district the table shows the number of households the centre serves, the tonnage of material the centre collected last quarter, and the percentage of that tonnage the sorting plant later rejected as contaminated.

DistrictHouseholds servedTonnes collectedPercent of tonnage rejected
Alder Park4,1001,8048.6%
Bramley Hill8,9003,4714.5%
Corbet Green4,6001,9329.2%
Denham Row7,8003,3545.0%
Elmsworth3,8001,4449.7%
Fenwick Vale9,4003,7604.2%
Garnock Bay5,2002,1326.4%
Halloway7,2002,7726.3%
Inverleith4,4001,7388.9%
Jesmond Cross8,6003,5694.7%
Kelvan Ridge5,9002,1837.2%
Lyndhurst6,6002,8055.8%

For each of the following statements, select Yes if the statement can be shown to be true based on the information in the table. Otherwise, select No.

YesNo 
Taking all twelve districts together, the percentage of collected tonnage that was rejected as contaminated is lower than the average (arithmetic mean) of the twelve districts' individual rejection percentages.
More than half of the districts collected more than 0.40 tonnes per household served.
The six districts serving the most households together account for more than 60 percent of the total tonnage collected.
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