A Study of Injuries to In-Line Skaters Used Data from the National

Multiple Choice

A study of injuries to in-line skaters used data from the National Electronic Injury Surveillance System, which collects data from a random sample of hospital emergency rooms (ERs) . The researchers interviewed 161 people who came to ERs with injuries from in-line skating. The interviews found that 53 people had been wearing wrist guards, and 6 of these people had wrist injuries. Of the 108 people who had not worn wrist guards, 45 had wrist injuries.
What is the population that was sampled in this survey?

A) The 161 individuals admitted to an ER for in-line skating injuries
B) All individuals admitted to an ER
C) All individuals admitted to an ER for wrist injuries
D) All in-line skaters admitted to an ER for skating injuries