Significant Public health officials believe that 90% of children have been vaccinated
Chapter 20, Problem 15(choose chapter or problem)
Significant? Public health officials believe that 90% of children have been vaccinated against measles. A random survey of medical records at many schools across the country found that, among more than 13,000 children, only 89.4% had been vaccinated. A statistician would reject the 90% hypothesis with a P-value of P = 0.011. a) Explain what the P-value means in this context. b) The result is statistically significant, but is it important? Comment.
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