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Unformatted text preview: b & & z b & & Hence, we would reject the null hypothesis H : & = & in favor of the alternative hypothesis H a : & > & if b & lies outside the lowertail con&dence interval. . (3) ( Lowertail Test ) The rejection region for testing H : & = & against H a : & < & (where & is a speci&ed values of & ) at level is given by b & & & b & < & z Thus, the acceptance region is given by b & & & b & & z or & b & + z b & which is equivalent to an uppertail con&dence interval for & with con&dence coecient 1 & , & b & + z b & Hence, we would reject the null hypothesis H : & = & in favor of the alternative hypothesis H a : & 6 = & if b & lies outside the uppertail con&dence interval. 2...
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This note was uploaded on 04/20/2008 for the course MTH 562 taught by Professor Cheng during the Spring '08 term at Creighton.
 Spring '08
 Cheng
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