?????? ? (Hypothesis Testing ?) (Chapter 8) - PowerPoint PPT Presentation

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?????? ? (Hypothesis Testing ?) (Chapter 8)

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Title: II (Hypothesis Testing II) Author: OXO Last modified by: Your User Name Created Date: 12/23/2004 9:48:43 AM Document presentation format – PowerPoint PPT presentation

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Title: ?????? ? (Hypothesis Testing ?) (Chapter 8)


1
?????? ? (Hypothesis Testing ?)(Chapter 8)
  • ?????????????????
  • ??????????????????
  • ?????????????????
  • ?????
  • jpliu_at_ntu.edu.tw

?????????,???????? ??CC ????-?????-?????? 3.0
?? ???????
2
????(Hypothesis Testing ?)
  • ???????
  • ???????
  • ???????????
  • ????(Paired Samples)
  • ????(Independent Samples)
  • ?????
  • ????????????
  • ????(Inference for Variance)

3
???????
  • ????(n?30)
  • ??????????
  • ????(nlt30)
  • ????????????

4
???????
  • 1908?,???????Guiness ??????William Sealy
    Gosset????????????t???,???Student?????Biometrika??
    ??(??????????????)??????Student-t???

5
??
  • 1.???0?
  • 2.??????(n-1)?
  • 3.??
  • 4.?????t???????????
  • ?P.485-486??5?

6
?2,9?t??????????
7
  • ????
  • H0? ? ?0 vs. Ha? lt ?0
  • ????????a
  • (1)
  • ??H0
  • (2) ??H0
  • (3) ??H0
  • ???

8
  • ????
  • H0? ? ?0 vs. Ha? gt ?0
  • ????????a
  • (1)
  • ??H0
  • (2)
  • ??H0
  • (3) ??H0
  • ???

9
  • ????
  • H0? ?0 vs. Ha ? ? ?0
  • ????????a
  • (1)
  • (2)
  • (3)
  • ???

10
  • ??????????3,4,5,4,2 ppm.?????????????????????????
    ???3ppm.
  • H0? 3ppm( ?0) vs. Ha ? gt 3ppm

11
  • 95 ????

  • ????H0
  • 95????

12
  • ?????????3???????0.10???150??????????????,3???24?
    ??(126???)
  • ???????????????3???????

13
???????
  • ????H0P?P0 vs. HaPltP0
  • ????

14
???????
  • ????H0P?P0 VS. HaPgtP0
  • ????

15
???????
  • ???? H0PP0 VS. HaP?P0

16
  • ?(?)

17
??????????? ???????????????????,6??????????????(So
urce ???(2007)???????,???,??)
????? ????? ??
53.2 48.0 5.2
73.0 69.6 3.4
61.8 57.2 4.6
43.4 41.6 1.8
52.9 51.8 1.1
62.8 59.6 3.2
? 347.1 327.8 19.3
?? 57.85 54.6333 3.2167
18
??????????? ?A?B??????,A????9?????,B????10???,????
???????(?)?????(Source ???(2007)???????,???,??)
?? A?????? B??????
1 6.9 6.4
2 7.6 6.7
3 7.3 5.4
4 7.6 8.2
5 6.8 5.3
6 7 8 9 10 7.2 8.0 5.5 7.3 6.6 5.8 5.7 6.2 7.1
?? 64.2 63.4
?? 7.13 6.34
19
  • ?????????????????????????????(????)
  • ????????????,
  • ????????(????)
  • ????????????(Paired),
  • ???????????(Paired Samples)
  • ???????????????????
  • ????
  • ???????????
  • ??????????????

20
  • A.B??????,
  • ?A???9?????B???10??????
  • ?A??9???????????
  • ??B??10???????????
  • ????????(Independent Samples)
  • ???????????????
  • ???????????????

21
???????????
  • ??Di?????,????

???? ??1(X1i) ??2(X2i) ?(DiX1i-X2i)
1 X11 X21 D1X11-X21
2 X12 X22 D2X12-X22

i X1i X2i DiX1i-X2i

n X1n X2n DnX1n-X2n
??
?? S2D
22
?????????????
23
  • ????
  • H0µ1µ2 vs. Ha µ1?µ2
  • ??
  • (1)
  • (2)
  • (3)

24
  • ????
  • H0µ1?µ2 vs. Ha µ1gtµ2
  • ??
  • (1)
  • ??H0
  • (2)
  • ??H0
  • (3) ??H0

25
  • ????
  • H0µ1?µ2 vs. Ha µ1ltµ2
  • ??
  • (1)
  • ??H0
  • (2) ??H0
  • ??H0

26
  • ??????????????

27
  • 95????

28
???????????
  • ?n?30,??????????

29
????????????
??
??
30
????????????
31
?????????????
32
????
33
????
34
????
35
?A?B?????????????
  • ?????

?? ??? ?? ??? ??
1 n19 SS14.08 0.5100
2 n210 SS26.924 0.7693
36
(No Transcript)
37
(No Transcript)
38
???????
39
????
40
????
41
????
42
?????????????????
  • ??
  • ???? 8.2 10.7 7.5 14.6 6.3 9.2 11.9 5.6
    12.8 4.9
  • ??? 4.7 6.3 5.2 6.8 5.6 4.2 6.0 7.4
  • ?????
  • ????
  • ???

??? ?? ??? ??
n110 9.17 95.4010 10.6001
n28 5.775 8.0150 1.1450
43
(No Transcript)
44
??t?
45
?????
46
???
47
?????
48
  • ?
  • ????????A?B???????? ????????(Area Under Curve
    AUC,???????????)???A?B???AUC?????7.8,?????170,a0.
    05,????0.8,???????????
  • ?????????????????

49
(No Transcript)
50
????????????
???? ?????? ??
??? 320(0.8) 60(0.6) 380
??? 80(0.2) 40(0.4) 120
?? 400 100 500
????????????
51
  • P1???????????????
  • P2????????????????
  • ????

???? ?????? ??
??? X1 X2 X1X2
??? n1-X1 n2-X2 n1n2-X1-X2
?? n1 n2 n1n2
52
(No Transcript)
53
(No Transcript)
54
(No Transcript)
55
????
  • ????????450??????????
  • ???s0????10??,??????
  • ?5???????
  • 430?435?460?465?438
  • ???????????????10???

56
(No Transcript)
57
????(Chi-square Distribution)
  • ???????????????
  • Z???????
  • Z2???1???????
  • P.487 ??6

 
Z???
58
?????????????
59
(No Transcript)
60
?????? a0.05
61
(No Transcript)
62
??????????
63
?????????????????
64
??(Summary)
  • ???????t-??
  • ???????
  • ???????????
  • ????
  • ????
  • ??????
  • ????????????
  • ????

65
??
  • P. 208 2, 3, 6, 8, 11, 13, 14, 15

66
????
?? ?? ???? ??/??
1-65 ??? Microsoft Office 2003?????, ?? Microsoft ?????????? 46?52?65 ??????
6 ?????? ??? ??? ???
57 Wikipedia Normal distribution http//commons.wikimedia.org/wiki/FileStandard_deviation_diagram.svg 2013/11/08 visited
57 ?????? ??? ??? ???
58 Wikipedia Chi-squared distribution http//commons.wikimedia.org/wiki/FileChi-square_pdf.svg 2013/11/08 visited
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