Significant? Public health officials believe that 90% ofchildren have been vaccinated against measles. A randomsurvey of medical records at many schools across thecountry found that, among more than 13,000 children,only 89.4% had been vaccinated. A statistician wouldreject 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 impor-tant? Comment.
Significant? Public health officials believe that 90% ofchildren have been vaccinated against measles. A randomsurvey of medical records at many schools across thecountry found that, among more than 13,000 children,only 89.4% had been vaccinated. A statistician wouldreject 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 impor-tant? Comment.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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.
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 impor-
tant? Comment.
tant? Comment.
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