13.3..5. Perfonn the hypothesis 1es1 indica1ed in Question 13.2.3 at t he 0.05 level using a paired ItesL 1he square of the observed t with the observed L Do 1hc same for lhe cri1ical values associated wi lh the 1wo procedures. Whal would you concl ude?
13.3.6. Let be t he wil11in-block diffen.:nccs as defined in Section l3.3. Assu me
thal !he arc nomial wit h mean µ o and varia nce ab. for i = I .2. . . . .b. Derive
a fomrnla for a I 00(1 u )% confidence in terval for µ D· Apply Lhis form u la lo 1he data of S1udy B.3.1 and construct a 95% confidence interval for t he true average hemoglobi n difference ("before walk '' - "after walk").
13.3.7, Construe! a 95"1 confidence inlcrval for J.1- D in 1hc prothrnmbin t ime data described in
13.3.3. See Ques1ion 13.3.6.
JJ.3.8. Show t hat the paired , 1es1 is equivalen t to t he F Lesl in a randomized block de.sign when lhe n umber of 1rea1mem le'Cls is two. ( Him: Consider the d ist ribution of T =
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