ѹͧ

ѹԧسҾ

ͧѴͧ͡˹ҧ ѧ ֡ѹѴ§ػٻҧͧҧ ա˹¡ҧʶԵ ҧó (Contingency table) ٻͧҧ ͧ˹ҹ͹ ա˹ҹ ӹǹͧ˹ҧѺѹ֡ͧͧҧ

ҧ

ͺͧԵ͹Ԩ˹ ѺاسҾ¹͹ شʹش˹ ͧԵ¹Ԫ˹ ѺԪԪѧѺԪ͡ ѧ ͺ֧ԵкԪ¹ԪѧѺԪ͡ ͡˹ҡԵʹѺԪ 3 дѺ͡ Ѻا ͺԵ¹Ԫ˹ӹǹ 200 Ե ͧͧ ѡɳԪ Դ ӹǹԵʴҧóҴ 2x3 ѧ

ҧʴӹǹԵѡɳԪԪ
Ѻا
Ԫ͡ 35 20 5 60
ԪѧѺ 37 76 27 140
72 96 32 200

ҡԵ 200 ͺ 140 ¹ԪԪѧѺ 37 Ԫ 76 Դ 27 ԴѺا
ԵԴҧѹҧҧ ӹdzѷͧͧ ͧҴҧ 200 ٳ 100 37 ¹ 18.5 ( [37/200] x 100 = 18.5) ͧԵʴҧҧҧ

ҧʴͧԵѡɳԪԪ
Ѻا
Ԫ͡ 17.5 10.0 2.5 30.0
ԪѧѺ 18.5 38.0 13.5 70.0
36.0 48.0 16.0 100.0

Եǹ˭ ( 70) ¹ԪԪѧѺ ͺ˹ ( 48) ͹ԪдѺ ҳ˹ ( 36) ͹дѺ
͡ҡѷͧͧºѺʹ ҨѷºѺʹ͹ Ѻʹ ͧººͧԴͧԵ¹ԪԪѧѺ ¹Ԫ͡ աҧ˹ ԴѹѺѡɳԪҧ ѧ ӹdzͧԵԴҧ ¡Ѻ 140 37 ¹ 26.4 ( [37/140] x 100 = 26.4 ) ѧҧҧҧ

ҧʴͧԵҧ Ԫ¹
¡ѡɳԪ
Ѻا
Ԫ͡ 58.4 33.3 8.3 100.0
ԪѧѺ 26.4 54.3 19.3 100.0
36.0 48.0 16.0 100.0

ҡҧʴҧԵͧҧѹ Ե¹ԪԪ͡ ͹дѺ ҡԵ¹ԪԪѧѺ ҧ§ѧԭԵҧ ҧԴԧ ͧԵ ͧʶԵ͹ҹ֡ ֧ʹٻͧҧҨººѧҾҧҧ ʴ͹ҧ


ͧԵԪ¹¡ѡɳԪ


: ͡Сͺ͹ Էɵʵ 2542, Ԫóҡ
Ǵ֡ Ԫ 999211 ԵʵԵШѹ