409Hw12ans - STAT 409 Fall 2009 Homework #12 (due Friday,...

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STAT 409 Homework #12 Fall 2009 (due Friday, November 20, by 4:00 p.m.) 8.6-1 95 36 71 21 45 32 300 88.8 37.2 68.4 23.4 46.2 36 0.432883 0.03871 0.09883 0.246154 0.031169 0.444444 53 26 43 18 32 28 200 59.2 24.8 45.6 15.6 30.8 24 0.649324 0.058065 0.148246 0.369231 0.046753 0.666667 O E ( 29 E E O 2 - 148 62 114 39 77 60 500 Q 5 = 3.230475 < 11.07 = ( 29 5 2 05 . 0 χ . Thus we do NOT reject H 0 at α = 0.05. Note that E ( Q 5 ) = 5 when H 0 is true. 8.6-2 95 36 71 21 45 32 300 83.4 41.1 75 21.6 41.4 37.5 1.613429 0.632847 0.213333 0.016667 0.313043 0.806667 O 53 26 43 18 32 28 200 55.6 27.4 50 14.4 27.6 25 0.121583 0.071533 0.98 0.9 0.701449 0.36 130 75 136 33 61 65 500 E ( 29 E E O 2 - 139 68.5 125 36 69 62.5 0.582734 0.616788 0.968 0.25 0.927536 0.1 278 137 250 72 138 125 1000 Q 10 = 10.1756 < 20.48 = ( 29 10 2 025 . 0 χ . Thus we do NOT reject H 0 at α = 0.025.
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8.6-8 51 30 81 44.26744 36.73256 1.023943 1.233983 43 48 91 49.73256 41.26744 0.911422 1.098380 94 78 172 Q 1 = 4.26773 > 3.841 = ( 29
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409Hw12ans - STAT 409 Fall 2009 Homework #12 (due Friday,...

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