Question

Activity Frequency Bicycles 23,405 Football 20,293 Basketball 11,507 Playground 10,414 Soccer  7,667 Baseball  7,433 All-Terrain Vehicle  ...

Activity

Frequency

Bicycles

23,405

Football

20,293

Basketball

11,507

Playground

10,414

Soccer

 7,667

Baseball

 7,433

All-Terrain Vehicle

 5,220

Hockey

 4,111

Skateboarding

 4,408

Swimming

 3,846

Horseback Riding

 2,648

Total

100,952 

Researchers examined all sports-related concussions reported to an emergency room for children ages 5 to 18 in the United States over the course of one year.11 Table 2.7 displays the number of concussions in each of the major activity categories.

a) Are these results from a population or a sample?

(b) What proportion of concussions came from playing football?

(c) What proportion of concussions came from riding bicycles?

(d) Can we conclude that, at least in terms of concussions, riding bicycles is more dangerous to children in the US than playing football? Why or why not?

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