The article "The Effectiveness of Child Restraint Systems
Chapter 6, Problem 6E(choose chapter or problem)
The article “The Effectiveness of Child Restraint Systems for Children Aged 3 Years or Younger During Motor Vehicle Collisions: 1996 to 2005” (T. Rice and C. Anderson, American Journal of Public Health, 2009:252–257) studied a large number of automobile accidents involving small children. Following are the numbers of infants who used various types of restraints, categorized by age.
Can you conclude that the proportions of infants using the various types of restraints differ with age?
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