hard · GMAT Verbal

City health officials note that neighborhoods with a hospital within two miles have a lower average rate of fatal heart attacks than neighborhoods without one nearby. The officials conclude that building more hospitals would, on its own, reduce heart attack fatalities citywide.

The officials' reasoning is most vulnerable to criticism on the grounds that it

  1. does not account for seasonal shifts in reported heart attack rates.
  2. ignores that neighborhood wealth may be driving both factors at once.
  3. presumes every hospital offers an identical level of cardiac care.
  4. fails to state the exact distance at which proximity stops mattering.
  5. assumes fatality rates are the only true measure of neighborhood health.

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