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두 집단 평균 차 검증 *t-test *ANOVA
T  검증이란 ,[object Object],[object Object]
독립적  t-test 와  paired t-test ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ANOVA 란 .. ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
2.  이원변량분석 (two-way ANOVA) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
3.  다변량분석 (MANOVA) ,[object Object],[object Object]
4.  공변량분석 (ANCOVA) ,[object Object],[object Object]
T-test  와 ANOVA ,[object Object]
TV 와 신문 사회정보 습득에 무엇이 더 좋은가 ? (t-test) ,[object Object],[object Object],[object Object],[object Object]
[object Object],4.556 5 -1 11 1 15 -5 8 -7 14 D=A-B 49 66 64 68 66 76 62 84 72 B(TV) 54 65 75 69 81 71 70 77 86 A( 신문 ) 평균 9 8 7 6 5 4 3 2 쌍 1
 
배터리의 수명은 회사마다 같은 가 ?(ANOVA) ,[object Object],[object Object]
52 60 55 40 평균 6 4 5 표본크기 40 75 30 65 65 50 70 55 50 50 40 30 60 60 40 평균 C 회사 B 회사 A 회사
[object Object],[object Object],[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
 

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통계적방법론발표Ppt Kmlikejy

  • 1. 두 집단 평균 차 검증 *t-test *ANOVA
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  • 14. 52 60 55 40 평균 6 4 5 표본크기 40 75 30 65 65 50 70 55 50 50 40 30 60 60 40 평균 C 회사 B 회사 A 회사
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