???? ?? ?????? ?? y (296.36), x ????? ?????? ?? 86.77. - PowerPoint PPT Presentation

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???? ?? ?????? ?? y (296.36), x ????? ?????? ?? 86.77.

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Title: PowerPoint Presentation Author: rico Last modified by: Ricardo Tarrasch Created Date: 3/29/2005 1:29:05 PM Document presentation format: On-screen Show – PowerPoint PPT presentation

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Transcript and Presenter's Notes

Title: ???? ?? ?????? ?? y (296.36), x ????? ?????? ?? 86.77.


1
???? ???? ????????
2
???? ?? ?????? ?? y (296.36), x ????? ?????? ??
86.77.
???? ?????? ??????? ???
29.
??? ????? ????? ????? ?????? ??????? ( )
??? ????? ????? ????? ?????? ??? ?????? (?????
??????? )
3
?????
4
?????? ????? ???? ??
5
??????????
???? ?? ??? xi ????? ??????? ?? ???? y. ??????
???? ??? y ?????? ????
????? ???? ?? y, ??? ?? ????? ?????? ??????, ???
?????? ???? ???? ?? ?????, ???? ????? ?????. ????
????? ?????? ???? ?????? ????? ??? ?????? ??
?????? ????? ?? r (??? ???? ???? ???? ????) ????
????? ?-?. ????? ?????? ?????? ??? ?????? ???? ??
????? ??????? ?????? x. ??? ?-x ????? ???? ????
?????? x, ?? ?????? ????? ???? ????.
6
??? ?????? ???? ????, ?? ???? ????????? r ?????
???? ?????? ?, ???? ????? ?????? ?????? ??? ????
????.
????????, ????? ???"?
?????? ???? ???? ??????? ?? ??? (????? ????? ???
?????? ??? ????), ???? ????? ?? 1-? ???? ??????
y ??????? x ???? ?
7
???? ??????? ?? ???? ????? ??? ???? ????? ?????
?????????? ?? 10??????? ??? ????? ?????. ????? ??
???? ????? ????? ?? ???? ???. ???? ????? ?? 95
??? ????? ???? ????? ?? ??? ???? 22 ???? ??????
TINV(0.05,8)2.306
8
?? ?????? ?? ???? ???? ????? 51 ??????
?? ???? ????? ???? ???? 22, ??? ???? ???? ??
????? 29 ???? ?????.
?? ????, ????? ?????, ????? ????? ???????
TDIST(0.74,8,1)0.24
?????? ?? ???? ???? ????? 51 ????? ??? 24.
9
??? ???? ?
y ??? ??????????? ??????? ?? x ???
yabx
????? ???????? ?????
???? ??????? ???? ????? ?? ???? ??? ????? ???, ??
?????? ??? ???? ???? ????? ???? ?????? ????
??????? ????? ?????? ???? ????? ????? ???? ?????
????. ??? ???? ???? ?????? ???? ?? ????????
??????? ???????? ???? ????? ?????? ?? ?? ????
????.
???? II
???? I
?? ????? ???? ???? I. ?? ????? ?? ?????? ???????
???????? ???? ???? II
?? ?????? ?? ?????? ??????? ????????
10
  • ????? ????????? ??? ??????? ?? n. ??? ?-n ??? ??
    ?????? ????.
  • ?? ???? ????? ?? ?????? ?? ???? ?????? ?? ?????
    ?? ???
  • ????? ?????
  • ????? ???????.

11
?????? ?? ????? ???????? (outliers) ?? ?????.
12
???? "?????" (spurious)
????? ????
13
????? ?-EXCEL
slope(arrayY,arrayX)
intercept(arrayY,arrayX)
14
???"? ???? ?'
???? ?????? ?? ???? ?????
  1. ??? ?????? ??????? ?????? ???? ?????? ??????
  2. ??? ?????? ??????? ?????? ?????? ???? ???????
    ??????
  3. ??? ???? ?????? ??????? ?? ???? ?"? ?????
  4. ??? ???? ?????? ??????? ?? ???? ?"? ?????
  5. ??? ????? ??????? ?? ????? ????? ?????? ???
    ?????? ?????? ??????? ???????????
  6. ??? ????? ??? ???? ???? ???? ???? ???? ??????????
    ???? ????? ?? 95?
  7. ?????? ??? ????? ?? ????? ????? ????? ???? ???
    ??????????. ??? ???? ?? ????? ?????????? ????
    ???? ???? ???? ???? ????????? ?? ????? ????? ????
    ????? ????? ??? ????? ?? ??? ?????.
  8. ??? ???? ?? ????? ???? ??? ?????????? ???? ????
    ???? ???? ???? ????????? ?????? ???? ????? ????
    ????? ????????? ????? ????? ????? ??? ????? ??
    ??? ?????.
  9. ??? ???? ?? ????? ??? ????? ???? ??? ?? ????
    ?????? ??????? ???? ?????????? ???? ????? ???
    ????? ?? ??? ?????.

???? (?"?) ???? (?"?) ???? ????
180 70 1
150 50 2
155 90 3
160 80 4
167 75 5
163 77 6
170 88 7
160 60 8
145 54 9
166 63 10
15
  • ??? ?????? ??????? ?????? ???? ?????? ??????

????? ?????, ???? ???? ?? ???, ??? ?????? ???
???????, ????????????, ????????? ??????? ?????
  • ??? ?????? ??????? ?????? ?????? ???? ???????
    ??????

??"? ??????? ?????? ?-"???????" ?? ???????
?????? t ?????? (????????? ??? ??????? ????????,
?? n?10).
  • ??? ???? ?????? ??????? ?? ???? ?"? ?????

17.5
  1. ??? ???? ?????? ??????? ?? ???? ?"? ?????

17.5
  • ??? ????? ??????? ?? ????? ????? ??????
  • ??? ?????? ?????? ??????? ???????????

?????
??????
16
  • ??? ????? ??? ???? ???? ???? ???? ???? ??????????
    ???? ????? ?? 95?

TDIST(1.3,8,2)0.23
???? ????? ?? 95 ?? ???? ????? ?? H0. ?? ????
???? ?????? ??? ???? ???? ???? ???? ????
??????????.
  1. ?????? ??? ????? ?? ????? ????? ????? ???? ???
    ??????????. ??? ???? ?? ????? ?????????? ????
    ???? ???? ???? ???? ????????? ?? ????? ????? ????
    ????? ????? ??? ????? ?? ??? ?????.
  • ??? ???? ?? ????? ???? ??? ?????????? ???? ????
    ???? ???? ???? ????????? ?????? ???? ????? ????
    ????? ????????? ????? ????? ????? ??? ????? ??
    ??? ?????.

17
  • ??? ???? ?? ????? ??? ????? ???? ??? ?? ????
    ?????? ??????? ???? ?????????? ???? ????? ???
    ????? ?? ??? ??????.

???? ????? ???? ????? ?? 95, ?? ???? ????? ??
??? ?????? 200 ?"??
???? ????? ?????? ????? ?????. ????? ???????
??????? ???????? ???? ?? x. ???? ?? x ?????
??????? ??? 0. ????????????.
TINV(0.05,8)2.31
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