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목차/차례

차 례

제 1 장 서 론 ······························································································· 3

제 2 장 자료의 정리 ····················································································· 4

제 3 장 확률과 확률변수 ··········································································· 12

제 4 장 확률분포 ························································································· 36

제 5 장 표본분포 ························································································· 45

제 6 장 모수의 추정 ··················································································· 50

제 7 장 가설검정 ························································································· 59

제 8 장 분산분석 ························································································· 70

제 9 장 상관과 회귀 ··················································································· 93

제 10 장 범주형 자료분석 ···················································

본문/내용

◆
1.1

1

장

◆

관찰 대상에 관한 통계집단의 특성을 수량화하여 나타낸 것을 그 집 단의 특성치라고 하고, 집단의 특성을 기술하는데 합계, 평균, 분산, 비 율, 상관계수 등이 있으며 이러한 양들을 특성치라고 한다. 통계집단의 특성을 특성치로 나타내는 방법을 주로 다루는 학문을 기술통계학이라 한다. 어떤 TV공장에서 생산되는 브라운관의 평균수명을 검사하고자 할 때 TV공장에서 생산되는 브라운관중에서 몇 개를 선택하여 그 선택된 브 라운관의 수명시간을 조사함으로써 생산되는 모든 브라운관의 수명을 추측하는 방법을 생각할 수 있다. 이와 같이 추출된 자료로 구성된 표 본에 내포되어 있는 정보를 분석하여 모집단의 특성을 예측이나 추론을 하는 분야를 다루는 학문을 추측통계학이라 한다

1.2

통계자료를 얻는데 크게 나누어 두 가지가 있으며, 하나는 전수조사 이고, 다른 하나는 표본조사이다. 전수조사는 통계집단에 속하는 통계단 위를 빠짐없이 전부 조사하는 것이고, 표본조사는 그 일부만을 뽑아서 조사하는 것이다.

1.3

1) 추측통계 2) 기술통계 3) 기술통계 4) 추측통계 5) 추측통계

1.4

1) 시에 거주하는 유권자…(생략)

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