Reconsider the one-sample t test of Example 9.27.

a. 

b. Apply part (a) to test the hypotheses of Exercise 59, using the data given there.

Example 9.27

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show that With t = (x - Ho)/(s/√n), the likelihood ratio is is equal to A = [1+1²2/(n-1)]-/2, and therefore the approximate chi-square statistic is −2 ln (A) = n ln[1 + ²/(n − 1)]. -