chapter 1

Chapter 15: Distribution-Free Procedures26.1 2 3 4 5 6 7 8 9 10 riA 2 2 2 2 2 2 2 2 2 2 20 400B 1 1 1 1 1 1 1 1 1 1 10 100C 4 4 4 4 3 4 4 4 4 4 39 1521D 3 3 3 3 4 3 3 3 3 3 31 961The computed value of F r is≥ χ2. 01,3=11.344124 10, so H o is rejected.( ) ( )( ) 92( )( ) 2982 −5310 5 = 28., which is2r i298227.1 2 3 4 5 6 7 8 9 10 riI 1 2 3 3 2 1 1 3 1 2 19 361H 2 1 1 2 1 2 2 1 2 3 17 289C 3 3 2 1 3 3 3 2 3 1 24 576The computed value of F r is12102≥ χ 5.992 , so don’t reject H o .. 05,2=( ) ( )( ) 60( )( ) 1226 −3 43 10 4 = 2., which is not2r i1226Supplementary Exercises28. The Wilcoxon signed-rank test will be used to test : 0H µ vs. H : µ 0 , where0 D=0 D≠µD= the difference between expected rate for a potato diet and a rice diet. From Table A.118( 9)s+≥ or s+≤ − 32 = 4 . The d i' s are (in2with n = 8, H o will be rejected if either 32order of magnitude) .16, .18, .25, -.56, .60, .96, 1.01, and –1.24, sos+= 1 + 2 + 3 + 5 + 6 + 7 = 24rejected.. Because 24 is not in the rejection region, H o is not465