Fundamentals of Statistics (5th Edition)
Fundamentals of Statistics (5th Edition)
5th Edition
ISBN: 9780134508306
Author: Michael Sullivan III
Publisher: PEARSON
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Chapter B.2, Problem 17AYU

Critical Values Sir R. A. Fisher, a famous statistician, showed that the critical values of a chi-square distribution can be approximated by the standard normal distribution

  χ k 2 = ( z k + 2 ν 1 ) 2 2

where v is the degrees of freedom and zk is the z-score such that the area under the standard normal curve to the right of zk is k. Use Fisher’s approximation to find χ 0.975 2 and χ 0.025 2 with 100 degrees of freedom. Compare the results with those found in Table VIII.

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