통계학의 이해

CHAPTER 1 통계학이란?
1.1 통계학의 정의 ······················································································ 3
1.2 모집단과 표본 ····················································································· 6
1.3 기술통계학과 추측통계학 ···································································· 9
1.4 자료의 종류 ······················································································· 11
CHAPTER 2 기술통계학 1 - 표와 그래프
2.1 질적자료의 요약 ················································································ 17
2.2 양적자료의 요약 ················································································ 25
2.3 이변량 양적자료의 요약 ··································································· 43
연습문제 ······································································································ 50
CHAPTER 3 기술통계학 2 - 수치 척도
3.1 중심위치의 척도 ················································································· 63
3.2 산포의 척도 ······················································································· 78
3.3 ? -점수와 분위수 ··············································································· 94
3.4 두 자료집단에 관한 척도 ······························································· 104
연습문제 ···································································································· 110
CHAPTER 4 확 률
4.1 경우의 수 ························································································ 119
4.2 사건 ·································································································· 126
4.3 확률 ································································································· 134
4.4 조건부확률 ······················································································· 145
연습문제 ···································································································· 160
CHAPTER 5 이산확률분포
5.1 확률변수 ·························································································· 169
5.2 이항분포 ·························································································· 184
5.3 푸아송분포 ······················································································· 196
5.4 그 외의 이산확률분포 ····································································· 201
연습문제 ···································································································· 210
CHAPTER 6 연속확률분포
6.1 연속확률변수 ··················································································· 219
6.2 정규분포 ·························································································· 229
6.3 이항분포의 정규근사 ······································································· 247
6.4 지수분포 ·························································································· 250
6.5 정규분포에 관련된 분포 ································································· 252
연습문제 ···································································································· 262
CHAPTER 7 표본분포
7.1 모집단분포와 표본분포 ··································································· 273
7.2 일표본의 표본분포 ·········································································· 280
7.3 이표본의 표본분포 ·········································································· 295
연습문제 ···································································································· 310
CHAPTER 8 추 정
8.1 점추정 ······························································································ 321
8.2 구간추정 ·························································································· 330
8.3 모평균 차의 구간추정 ····································································· 344
8.4 두 모집단 평균에 대한 쌍체 비교 ················································ 354
8.5 모비율 차의 구간추정 ····································································· 357
8.6 표본의 크기 ····················································································· 359
8.7 모분산의 구간추정 ·········································································· 364
8.8 모분산 비의 구간추정 ····································································· 367
연습문제 ···································································································· 371
CHAPTER 9 가설검정
9.1 통계적 가설검정 ·············································································· 381
9.2 모평균에 대한 검정(이 알려졌을 때) ········································· 392
9.3 모평균에 대한 검정(을 모를 때) ················································ 401
9.4 모평균의 차에 대한 검정 ······························································· 410
9.5 모비율에 대한 검정 ········································································ 424
9.6 모비율의 차에 대한 검정 ······························································· 426
9.7 모분산과 모분산 비에 대한 검정 ·················································· 429
연습문제 ···································································································· 439
부록 및 해답
부록 A.1 누적이항확률표 ······································································ 453
A.2 누적푸아송확률표 ·································································· 459
A.3 누적표준정규확률표 ······························································ 462
A.4 카이제곱분포표 ······································································ 463
A.5 t -분포표 ················································································ 464
A.6 F -분포표 ··············································································· 465
해답 ········································································································· 466