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Nagy_BUS207.920_Ch17

# Nagy_BUS207.920_Ch17 - Reject H if x 2> 7.815 f f e(f f e...

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Chris Nagy BUS207.920 12/11/2007 Chapter 17, pages 663-667 #17-27 ODDS

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17 df= 2 Turn Straight 112 100 12 1.44 Right 48 50 -2 0.08 Left 40 50 -10 2 Total 200 200 3.52 19 df= 2 TV Station WNAE 53 50 3 9 0.18 WRRN 64 50 14 196 3.92 WSPD 33 50 -17 289 5.78 Total 150 150 0 9.88 21 Region Northeast 68 84 -16 3.05 Midwest 104 96 8 0.67 South 155 140 15 1.61 West 73 80 -7 0.61 Total 400 400 0 5.93 23 Accidents 0 46 48 0.08 1 40 36 0.44 2 22 24 0.17 3 12 12 0 Total 120 5.93 25 H 0 : π s = 0.50, π r = π e = 0.25 H 1 : Distribution isn't given Reject H 0 if x 2 > 4.605 f 0 f e f 0 - f e (f 0 - f e ) 2 /f e H 0 : is not rejected H 0 : There is not a preference with respect to TV stations H 1 : There is a preference wiith respect to TV stations Reject H 0 if x 2 > 5.991 f 0 f e f 0 - f e (f 0 - f e ) 2 (f 0 - f e ) 2 /f e H 0 : is rejected H 0 : π n = 0.21, π m =0.24, π s = 0.35, π w = 0.20 H 1 : the distribution is not given Reject H 0 if x 2 > 11.345 f 0 f e f 0 - f e (f 0 - f e ) 2 /f e H 0 : is not rejected H 0 : π 0 = 0.40, π 1 =0.30, π 2 = 0.20, π 3 = 0.1 H 1 : the proportions are not given

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Unformatted text preview: Reject H if x 2 > 7.815 f f e (f- f e ) 2 /f e H : is not rejected H : gender and attitude toward the deficit aren't related since 43.578 > 5.991, 27 H 1 : gender and attitude toward the deficit are related Reject H if x 2 > 5.991 x 2 =(244 - 292.41) 2 /292.41 + (194 - 164.05) 2 /164.05 + (68 - 49.53) 2 /49.53 + (305 - 256.59) 2 /256.59 + Reject H H : whether a claim is filed and age are not related H 1 : whether a claim I s filed and age are related Reject H if x 2 > 7.815 x 2 = 53.639 (114 - 143.95) 2 /143.95 + (25 - 43.47) 2 /43.47 = 43.578...
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