|
|
?????????A??
?2011-2012????????????
?????????A????
? ????? 22703216
????????09? ???????? ?????
???
???
???????
1?B2?C3?D4?B5?A ?????1?
??????????????? ??1? ?????????? ? ?2? ????????????3? ??????
?4? ?????????
?5? ????????????? ?6? ????????????? ?7? ????????
?8? ????????????? ?9?
????????????
..6?
?2?
??????????????????????????????????????????????????????????????????2? ??????1??????????
?2????????????? ?3?????
?4??????????? 2?????1????????
?2?????????
?3?????????????????
??4????????????2? ??3?
?????????1????????????????
?2?????????????????????????3????????
3?
-
?1???4?
?????????1?????
?2???????
?3??????????????? ?4??????????
3?
4?
????????????????????????????????????? ????????????????????????????????????????????????????
3?
?????????????????????????????????????????????????????????????????
3?
5?
?????????????????????????
2?
??????1
????????????????? ?2???????
?3??????????
4?
???????? 1. ?1?
p?
340?240?50
900
?70%
?5%????????????????????4?????????????? ??p?Zp?Z???????????72.99%?67.01%???2?
x?
?
1?70?3?200?5?340?7?240?9?50
900
?5
??5%???????????????????????????? ??
??x?Z?0.025n,?x?Z??0.025n??
???????????4.8,5.2??3?
H0:??4;H1:??4
?
??10?Z0.05
??????H0,????????????????????????.
?2???4?
2.
H0:??????????????????
H1:??????????????????2
???f0?fe)2
??
f3.78??20.05?1?
e
????????H0,???????????????????.
..10?
3.
H0:????????????
H1:???????????
2
???f0?fe)2
??2.01??2
f0.05?1?
e
????????H0,?????????????.
..10?
4.
(1)A=1422708.6?1=1422708.6
B?
220158.07
10?22015.807C?A
B
?64.62????????3?
(2)R2?SSRSST?86.60%????????3?
(3)r0.93????????2?(4)y?
?363.6891?1.420211x
?????????????1???????????1.420211????????????4?5????????P???0.05??????????????????????????????2?
?????
1????????????????????3?
2??????????????..7?
?3???4? ?4???4?
?
????????????
????? ???? ?? ???
1. ???????????? ??????????????????????????????????
2. ??????????????N????????????n????????N(N-1)(N-2)???N-N?1??
3. ??????????????????????????????????? 4. ???????????????????????
5. ?????????????????? ????????? 6. ?????????????????????????????????????????????
7. ????????????????????????????????????????
8. ????????????????????????????????????????????4???????????????????1/4?
9. ???????????960?1040?????95%????????1000????????40.82????????20.41?
10. ??????????????????????????????????????????????? ?????
1. ????????????????????? 2. ????????????????????????
3. ????????????????????????????????????? 4. ?????????????????????????1/3???????????9?????
5. ????????????????????? 6. ?????????????????
7. ??????????????????????????????????????????
8. ???????????????????? ?? ?????
1. ????????????????????????????????50%??????????????C?
A. 2? B. 3? C. 4? D. 5?
2. ?????????????????????????????????????????????D?
A. ???? B. ?????? C. ???? D. ????
3. ???????????????????????????????B?A. ???? B. ???? C. ???? D. ??? 4. ???????D?
A. ?????????? B. ??????????? C. ??????????? D. ?????????
5. ????????A?
A. ?????B. ?????C. ?????D. ????? 6. ????????????C?
????????0??????? ????????1??????? ????????0.5???????????????0.25??????? 7. ?????????????????????????B?
A. ????B. ?????C. ?????D. ?????
8. ?400??????19%??????????????????20%????????95.45%????????????????40%?A. 4% B. 4.13% C. 9.18% D. 8.26%
9. ??5%??????????????60%????????80%????????????????????????B?
A. ???? B. ????C. ?? D. ????
10. ?????????????????????25?????100?????????????????3??????????B?
A. ?????B. ?????C. ?????? D. ?? ?? ?????
????????????ABCDE?
A. ?????????B. ???????????????
C. ????????D. ????????????? E. ????????? 2. ?????????AC?
A. ????????B. ???????? C. ??????????????? D ???????????????
E. ????????????????? 3. ???????????????ABE?
A. ?????????????? B. ???? C. ???? D. ??? E. ????
4. ?????????????BCD?
A. ???????????????? B. ??????????
C. ??????? D. ???????????E. ?????????? 5. ???????ACD?
A. ?????????? B. ?????????? C. ?????????? D. ????????? E. ????????? ?? ???? 1.???? 2.????
3.?????????? 4.???? ?? ???
1.??????3000?????????60???????????????????? ?1???0.95??????????????????????
?2???0.9545??????????1000???????????
2.???????????????200??????8???????????????
x?
?xff
?
122300
?2038.33 60
2
???x?
?
x?xf
?
f
?
1626833.33
?164.66
60?
27113.89
?21.2660
?2
n
164.662
60
x?t?x?X?x?t?x
2038.33?1.96?21.26~2038.33?1.96?21.262038.33?41.67~2038.33?41.671996.66~2080.00
3.???????????????????????5000???????????????????93%?95%?96%???????????????3%??99.73%?????????????
P=93? p?1-p?=0.93?1-0.93?=0.0651
n?
t2p(1?p)
?2
32?0.06510.5859
???66(??2
0.0090.03 ???95.45%?????????????????????????
???????????????????
x?
?nx
ii?1
k
i
?2?
nni?i2
n
??
120?230?80?14038800
??194
120?80200120?60?80?4010400
??52
120?80200?
52
?0.26?0.51200
?x?
?i2n
x??x?x??x?194?2?0.51~194?2?0.51
192.98~195.02
?95.45?????????,???????????192.98??195.02???.
5.?????????????????5????????????????????????160??????????????62?????95.45%?????????????????
???????x?
?x
i?1
r
i
?2??x?
??X?X?
R
r
?160????
2
??2?
??x?x?
r
2
?62????
?2?R?r?
???
r?R?1?
62?288?24?
???????2.5833?0.9197?1.54
24?288?1?
????
x??x?x??x?160?2?1.54~160?2?1.54
156.92~163.04
?95.45??????????,??????????????156.92???163.04????.
6.???????????580??????100?????????????20??????????????550??610????????????????????600????????
t2?2n?2
?xt?
1002
?t?1.3416??????????82????????????550??610?????82??
?????????60??????82?????????580??????????????
1???????600??????600610?10???????60??????
6
11
?82?????????????600???????82??13.7??
66
=
580?55022
20?580?550?.8?1.3416
20?
t2?1002
?????????A
??
3?????????????
4????????????????
5??????????????????????
2011-2012????????????
????????A?? ?
????? 22703216 ????? ???10??????
??? ????? ??? ? ??
??????? ????2???10??
?1?????????????????????????????????? ?? ?
? A?????? B?????
C????? D?????
2???????????????????????? ?
A????? B?????
C????? D
???????
3???????????????????????? ?
A????? B?????
C????? D?????
4????? ? ?
?A????????? B?????????
? C???????????????
?D????????????????
??5?????????????????????????????????
? ?
A?????? B??????
C?????? D??????
?????
????6???30??
?
??1??????????????????????
2??????????????????
?1???10?
?2???10?
??????????????????14??????????10???48??
1?????9000?????????10%????????????????
??95%????????
?1???????4?????4????????
?2???????????3???????????????????? ?3???????????3???????????????????4???5%?????????????????????????????????????Z0.05=1.64?Z0.025=1.96?
2?????50???????????????????????36??????10??????28%?????14???8????????57%??????????????????????????????
?3???10?
0.050.05
?4???10?
?4??????????????x????y?????????12???????????????????????
?
???
?1??A?B?C???2????????????????????????? ?3?????????????????????4????????????? ??????????5??????????? ?a=0.05? ??
??? ? ? ?? ? ?
?5???10?
?????
????12???12??
??????????????????????????????????????????????????????????20??????????? ??:?1???????3000???2????????10????3??????????????????????4??????15???????????? 1?????????????????
2??????????????????5????2??????????
?6???10?
?7???10??8???10?
???? ?????? ????????
?9???10?
?10???10?
???????A??????????
?????http://www.850500.com/news/19165.html
?????,??! |
|