Which of the following best reflects the study statistical model (Q2)?

A. The average VO2 max of all runners who have run 1500 m in under 4 minutes
B. The average VO2 max of runners who have run 1500 m in under 4 minutes during the 2012 season
C. The average VO2 max of runners who compete in middle-distance track events
D. The average VO2 max of runners who competed in middle-distance track events during the 2012 season


Answer: B

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