Dr. Maria CorreaPrisant - PowerPoint PPT Presentation

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Dr. Maria CorreaPrisant

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??????. ?? Dr. Maria Correa-Prisant (??????????????????????? ... ????(Gorilla gorilla ) N:29????. ??????:10.3 SD 5.02. ???:8.3. ????. ??????(Florida Manatee) ... – PowerPoint PPT presentation

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Title: Dr. Maria CorreaPrisant


1
??????
  • ?? Dr. Maria Correa-Prisant
  • (????????????????????????????)
  • ?? lvruiqin(DXY)

2
??????
???????????? ???????
  • ?????
  • ??????
  • ??
  • ????

3
?????
  • ?????????
  • ????(Gaussian distribution),???
  • ?????????
  • ?????(Ordinal)??????????
  • ?????(Nominal)?????
  • ????(Binominal)?????????

4
???????
??(tail)
  • ??
  • ?????????
  • ??
  • ????
  • ??????
  • ??

??
5
???????????????????
???
???
????????????
???????
??????????
6
???????
  • ???????
  • ??(Mean)????(Median)???(Mode)
  • ???????
  • ???(Standard deviation)?????(percentiles)

7
?????????(Mean)
??(Mean)?????????
??,X1,X2,,Xn???????N???????
8
?????????
  • ????
  • ??(11,12,13,14,15) ??13
  • ??(11,12,13,13,14,25)??15
  • ?????????
  • ????13 ?????5050??(??????????)
  • ???13??????

9
???????
10
???????
  • ???(Standard deviation)
  • 1sd,2sd,3sd
  • ????(Percentiles)
  • 25,50,75,90,95
  • ??(Range)
  • ???-???

11
???
??
12
????
???????25 ???????50
30??
70??
?70??????
13
?????
????(Gorilla gorilla )
???(Stem Leaf)
N29???? ??????10.3 SD 5.02 ???8.3
14
????
??????(Florida Manatee)
????
????
????
??
15
???????(Confidence Interval for the Mean)
????
????
16
????
  • ????
  • ?,?,? ??1,1,2,2,2,2,2,3
  • 1, 2, 3 ??1,2,2,3,3,3,3,3
  • ??NO! ??,
  • ???YES! ??
  • ??YES! ??
  • ???

17
??????????
???????1,????2/3
???
?? ? ?
????
??????????
18
??
  • ???????????
  • ??????????????
  • ????????????????????
  • ?????????
  • ????????
  • ????
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