Question

In Ezercises 12.85 12.94, use Procedure 12.2 on page 557 to perform an appropriate hypothesis test. Be sure to check the conditions for using that procedure 12.92 Delayed Perinatal Stroke. In the article "Prothrombotic Factors in Children With Stroke or Poren cephaly" (Pediatrics Journal, Vol. 116, Issue 2, pp. 447-453), J. Lynch et al. compared differences and similarities in children with arterial ischemic stroke and porencephaly. Three classification categories were used: perinatal stroke, delayed perinatal stroke, and childhood stroke. Of 59 children, 25 were diagnosed with delayed perinatal stroke. At the 5% significance level, do the data provide sufficient evidence to conclude that delayed perinatal stroke does not comprise one-third of the cases among the three categories?

Answer 1

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