Download - Nhóm 5 - Tình hình sử dụng điện thoại K48
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8/2/2019 Nhm 5 - Tnh hnh s dng in thoi K48
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
MC LC
LI NI U...................................................................................................3
1) Mc ch nghin cu.....................................................................................3
2) i tng, thi gian, khng gian nghin cu...............................................3
3) Ni dung nghin cu.....................................................................................3
4) Cc nguyn tc thc hin..............................................................................4
NI DUNG........................................................................................................6
1) S lng in thoi mi sinh vin ang s dng..........................................6
2) Chi ph trung bnh mi thng cho in thoi................................................7
3) Hnh thc v tnh nng ca in thoi..........................................................11
4) Chc nng chnh ca in thoi...................................................................13
5) i tng thng xuyn lin lc..................................................................16
6) nh hng ca in thoi ti gi hc..........................................................19
7) Ch in thoi trong lp..........................................................................21
8) Tc ng ca vic s dng in thoi..........................................................23
KT LUN.......................................................................................................26
DANH MC TI LIU THAM KHO........................................................27
BNG IM NH GI MC NG GP CA CC THNHVIN TRONG NHM..........................................................................................28
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
LI NI U
Th k 21 c coi l k nguyn ca cng ngh. Song song vi s bng n ca
ngnh cng ngh thng tin l vic s dng cc thit b tin hc, vin thng ngy cng
tr nn ph bin. Vit Nam t l ngi s dng in thoi tng ln nhanh chng
trong vng 10 nm tr li c bit l in thoi di ng. i vi sinh vin ni chung
v sinh vin Ngoi thng ni ring, in thoi tr thnh mt ngi bn trung
thnh, lun bn cnh mi lc mi ni. V vy vic nghin cu c th hn v nh
hng ca in thoi n sinh vin l cn thit. Nhm chng em tho lun v nht
tr vi nhau chn ti Nghin cu thng k tnh hnh s dng in thoi hng
thng ca sinh vin i hc Ngoi Thng kha 48
p ng yu cu mn hc v cng c kin thc thc tin cng nh l
thuyt, nhm chng em cng nhau thc hin qu trnh nghin cu thng k ny
vi:
1) Mc ch nghin cu: thu thp nhng thng tin nh lng v hin tng
nghin cu trong iu kin c th, trn c s pht hin bn cht, quy lut pht
trin ca hin tng, gii quyt c mt vn l thuyt hoc mt yu cu nhtnh ca thc tin.
2) i tng, thi gian, khng gian nghin cu: i tng nghin cu l cc
con s, cc biu hin v lng ca cc vn lin quan n chi ph s dng in
thoi hng thng ca sinh vin i hc Ngoi Thng phn nh, biu th bn cht,
tnh quy lut ca hin tng trong iu, hon cnh c th. Thi gian iu tra l vo
thng 5 nm 2011. Ni iu tra l trng i hc Ngoi Thng. Tin hnh iu tra
trn 42 sinh vin K48, trong c 28 ban n v 14 bn nam.
3) Ni dung nghin cu:
a) Cc bc ca qu trnh nghin cu thng k:
Xc nh mc ch, i tng, ni dung nghin cu
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Xy dng h thng ch tiu thng k
iu tra thng k
Tng hp thng k
Phn tch thng k
xut kin, ra quyt nh
b) Cc vn t ra iu tra:
S lng in thoi mi sinh vin ang s dng
Chi ph trung bnh mi thng cho in thoi
Hnh thc v tnh nng ca in thoi
Tnh nng hay c s dng ca in thoi i tng thng xuyn lin lc
nh gi mc nh hng ca in thoi n gi hc
Ch in thoi no thng c s dng
nh gi nh hng ca in thoi n cc hot ng ca sinh vin
c) Cc phng php thng k nghin cu s dng trong qu trnh:
Thit k phiu iu tra Thu thp thng tin
Tng hp thng tin
Bng, th thng k
Cc tham s thng k
Hi quy v tng quan
nh gi kt qu4) Cc nguyn tc thc hin:
m bo tnh trung thc, khch quan, chnh xc, y v kp thi
Thng nht v ch tiu, biu mu, phng php tnh ton x l, n v
o lng, v s so snh gia cc ch tiu
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Khng trng lp, chng cho, ln ln cc vn vi nhau
Cng khai v phng php thng k, thng tin thng k v thng tin
lin lc v nhng ngi c iu tra( nh tn, lp, kho, s in thoi lin lc, ..)
m bo phn cng cng vic cho mi thnh vin trong nhm mt
cch hp l, cng bng v mi ngi thc hin, hon thnh mi cng vic c
giao y , chnh xc, kp thi
Nhng thng tin thng k v cc bn sinh vin ch c s dng cho
mc ch tng hp thng k
Trong phm vi bi vit ny trnh by c mt s ni dung ch yu phc v
cho vic nghin cu ti, tuy nhin cn hn ch v thi gian, ti chnh v nhn lc
nn mt s vn nhm chng em cha c iu kin nghin cu su hn. V vy bi
vit s khng th trnh khi nhng thiu st. Nhm chng em rt mong nhn c
kin ph bnh, ng gp, b sung ca cc thy c, bn c cho bi vit bi vit c
th hon thin hn.
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
NI DUNG1) S lng in thoi mi sinh vin ang s dng
Cu hi th nht l : Bn c s dng nhiu hn 1 ci in thoi khng?
Vi cc p n l: A: c, s lngl.........
B: khng
Kt qu thu c t 42 sinh vin kha 48, theo s liu thng k tng hp li ta
c bng sau:
Bng 1: S in thoi ca sinh vin
S in
thoi (xi )
Nam N Nam v n
S
ngi
(fnami)
S ngi/
tng nam
(dnami)(%)
S
ngi
(fnui)
S ngi/
tng n
(dnui)(%)
S
ngi
( fi )
S ngi/ tng
( di )(%)
1 9 64,27 18 64,29 27 64,29
2 5 35,71 8 28,57 13 30,95
3 0 0 2 7,14 2 4,67
Tng 14 100 28 100 42 100
T bng thng k ta xc nh c cc tham s thng k:
* Vi c nam v n:
- Trung bnh mi sinh vin c:
= = 1,40
-Mt ca s in thoi ca sinh vin: xo = 1* vi sinh vin nam:
- Trung bnh mi sinh vin c:
= = 1,36
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
-Mt ca s in thoi ca sinh vin: xo = 1
* vi sinh vin n:
- Trung bnh mi sinh vin c:
= = 1,43-Mt ca s in thoi ca sinh vin: xo = 1
Kt lun: Trung bnh 1 sinh vin s dng 1,40 chic in thoi. Trung bnh 1
sinh vin nam s dng 1,36 chic in thoi. Trung bnh 1 sinh vin n s dng
1,43 chic in thoi. Ch yu sinh vin ch s dng 1 chic in thoi
Nhn xt: Trung bnh n sinh vin s dng nhiu in thoi hn nam sinh vin
2) Chi ph trung bnh mi thng cho in thoi.
nghin cu v vn ny cu hi c a ra l:
Bn dnh bao nhiu tin cho in thoi hng thng
Vi cc p n:
A: 100K
Tng hp thng k thu c bng:
Bng 2.1: Chi ph trung bnh mi thng cho in thoi
Chi tiucho in
thoi hng
thng (xi)
(nghn
Nam N Nam v n S
ngi
(fnami)
S ngi/
tng nam
(dnami)(%)
S
ngi
(fnui)
S ngi/
tng n
(dnui)(%)
S
ngi
( fi )
S ngi/
tng ( di )(%)
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
ng)
100 4 28,57 9 31,14 13 30,95
Tng 14 100 28 100 42 100
a) T bng thng k ta rt ra cc tham s v th sau
* Vi c nam v n:
- S tin in thoi trung bnh mi thng ca mi sinh vin
= = = 83 ( nghn ng)
-Mt ca s tin in thoi ca sinh vin hng thng: xo = 50-100 nghn ng
14.29%
54.76%
30.95%
th 2.1: t l s sinh vin ng v i tin inthoi hng thng
< 50
50 - 100
>100
T th ta thy r phn ln sinh vin ngoi thng ch s dng 1 my in
thoi. Tuy nhin c n gn 1 na s sinh vin c iu tra c n gn na s
dng 2 my tr ln ( 45,24%). C th gii thch vic kh nhiu sinh vin s dng
nhiu hn 1 ci in thoi l do s khuyn mi ca cc nh mng di ng nh pht
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
hnh sim sinh vin. Sinh vin c nhiu sim dn n c nhu cu s dng nhiu my.
Ngoi ra khi s dng 1 chic in thoi ch yu nghe, chic cn li gi
thng c lp sim c cc gi r hn, nh th s tit kim hn
* vi sinh vin nam:
- Trung bnh mi sinh vin c:
= = 89 nghn ng
- Mt ca s tin in thoi ca nam sinh vin hng thng: x o = 50 -100 nghn
ng
0.00%
71.43%
28.57%
th 2.2:t l s nam sinh vin ng vi ti n in thoihng thng
< 50
50 - 100
>100
th cho ta thy r 100% nam sinh vin dnh t 50 nghn ng tr ln dnh
cho in thoi hng thng. M ch yu l t 50 -100 nghn ng.
* vi sinh vin n:
- Trung bnh mi sinh vin c:
= = 80 nghn ng
- Mt ca s tin in thoi ca n sinh vin hng thng: 50 -100 ngn ng
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
21.43%
46.43%
32.14%
th 2.3: t l s n sinh vinng vi tinin thoi hng thng
< 50
50 - 100
>100
Kt lun chung: Trung bnh 1 sinh vin dnh 83 nghn ng mi thng cho
chic in thoi. Trung bnh 1 sinh vin nam l 89 nghn ng. Trung bnh 1 sinh
vin n l 80. Ch yu sinh vin chi t 50 100 nghn ng mi thng cho di ng
Nhn xt: Trung bnh nam sinh vin chi tiu nhiu cho in thoi hn n sinh
vin
b) Hi quy chi tiu dnh cho in thoi vi s in thoi:
Nh phn tch trn ta c trung binh sinh vin n c nhiu in thoi hnnam sinh vin nhng s tin chi hng thng cho in thoi ca sinh vin n li t
hn. Vy c phi s in thoi t l nghch vi s tin chi cho in thoi khng. Sau
y ta s hi quy chi tiu dnh cho in thoi v s in thoi kim nh nhn
xt ny. Kt qu tng hp phiu iu tra cho ta bng sau:
Bng 2.2: Chi tiu dnh cho in thoi theo s in thoi c s dng
S in thoi Chi ph100 Trung bnh
1 5 17 5 752 1 5 7 983 0 1 1 100
Ta rt c Bng2.3: Mi quan h gia s in thoi v chi tiu:
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
S in thoi Chi tiu tb
1 752 983 100
th 2.4: Mi quan h gia s in thoi v s tin in thoi hng thng
Nhn xt: Vy phng on u l khng chnh xc. Khi s in thoi tng
ln th chi tiu dnh cho in thoi cng tng ln
3) Hnh thc v tnh nng ca in thoi
Cu hi: hnh thc v tnh nng ca chic in thoi ca bn (hoc ci c
dng nhiu nht nu bn c hn 1 ci in thoi)
Cc phng n:
A: cp nht nht nh iphone 3G, 4GB: ch cn a chc nng: chp nh, c bo... khng phi loi i mi nht
C: ch c nghe, gi, nhn tin
Tng hp thng k thu c bng:
Bng 3.1: Hnh thc v tnh nng ca in thoi
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Loi in
thoi
Nam N Nam v n S
ngi
(fnami)
S ngi/
tng nam
(dnami)(%)
S
ngi
(fnui)
S ngi/
tng n
(dnui)(%)
S
ngi
( fi )
S ngi/ tng
( di )(%)
Cp nht 5 35,71 4 14,29 9 21,43a chc
nng8 57,14 20 71,43 28 66,67
Nghe gi,
nhn tin1 7,14 4 14,29 5 11,90
Tng 14 100 28 100 42 100
Ta c th
21.43%
66.67%
11.90%
th 3.1: Cc loi in thoi sinh vin s dng
c p nh t
a chc nng
nghe g i, nh n tin
Nhn xt:
Phn ln sinh vin s dng in thoi a chc nng, chim n 66,67%. Sau
n nhng chic in thoi i mi nht nh iPhone 4G ( 21,43%). S sinh vin
ch yu s dng in thoi ch nghe gi nhn tin l t nht (11,9%)
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
th 3.2: Cc loi in thoi c s dng nam v n
Nhn xt:
T l sinh vin nam s dng in thoi cp nht nht nhiu hn n sinh vin
T l ny thp hn 2 dng in thoi cn li : a chc nng thng thng v
nghe gi nhn tin.iu ny cng ph hp vi tm l thng thng cc bn nam thng b cun
ht bi c thit b cng ngh cp nht hn cc bn n
4. Chc nng chnh ca in thoi
Cu hi th 4 m nhm em a ra iu tra l: Bn dng in thoi ch
yu : , v 3 p n c a ra l:
A. nghe gi
B: Nhn tin
C. Khc: chp nh, ghi m, chi game, nghe nhc,
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Tuy ch c 42 bn tham gia tr li cu hi ny, nhng c 1 s bn chn
nhiu p n (ngha l cc bn thy mnh s dng in thoi cho nhiu hnh thc
ch yu), nn c 50 cu tr li v chc nng ca in thoi trong cu hi ny.
Sau khi iu tra v thng k s liu, chng em thu c bng tm tt sau:
Bng 4.1: Chc nng chnh ca in thoi
Nam N Tng
Nghe gi 4 12 16
Nhn tin 9 16 25
Khc 2 7 9
Nhn vo bng s liu, c th thy, trong tng s 50 chc nng ch yu ca
in thoi, th chc nng ch yu cc bn dng l nhn tin (vi 25 bn chn chc
nng ny, chim 50%). Chc nng th 2 cc bn thng dng vi in thoi ca
mnh l nghe gi, vi 16 bn chn, chim 32% trong mu nghin cu. Hot ng
khc nh nghe nhc, chp nh, chi games hay lt web c cc bn s dng nh
chc nng ch yu ca in thoi t hn, ch vi 9 bn, chim 18%.
c ci nhn tng qut hn, ta c biu sau:
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Hnh 4.1: Chc nng chnh ca in thoi
T phiu iu tra thu thp c, ta cng c bng s liu chi tit hn v chc
nng chnh ca in thoi c cc bn s dng:
Bng 4.2: Chc nng c s dng chnh ca in thoi phn theo gii tnh
Nghe gi Nhn tin Khc Tng
S
lng
T l
(%)
S
lng
T l
(%)
S
lng
T l
(%)
S
lng
T l
(%)Nam 4 26.67 9 60.00 2 13.33 15 100
N 12 34.29 16 45.71 7 20.00 35 100
Tng 16 32.00 25 50.00 9 18.00 50 100
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Ta c biu chc nng chnh ca in thoi c cc bn s dng gia cc
bn nam v n nh sau:
Hnh 4.2: Chc nng c s dng chnh ca in thoi phn theo gii tnh
Nhn vo biu trn ta thy, c nam v n, t l nhn tin u chim t
trng cao nht (khong 50%), tip nghe gi v cui cng l cc chc nng khc.
T l nhn tin nam cao hn cc bn n, trong khi t l cc bn n s dngin thoi nghe gi v cc hot ng khc chim t trng cao hn
5. i tng lin lc thng xuyn
Cu hi th 5 m nhm em a ra iu tra l: Bn thng xuyn lin lc
vi ai?, v 4 p n c a ra l:
A. Gia nh
B: Bn b
C. Ngi yu
D. Khc
Cng nh cu hi 4, tuy ch c 42 bn tham gia tr li cu hi ny, nhng c
1 s bn chn nhiu p n (ngha l cc bn thy mnh s dng in thoi
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
thng xuyn lin lc vi nhiu ngi), nn c 45 cu tr li v i tng lin
lc thng xuyn trong cu hi ny.
Sau khi iu tra v thng k s liu, chng em thu c bng tm tt sau:
Bng 5.1: i tng thng xuyn lin lc
Nam N Tng
Gia nh 2 12 14
Bn b 11 12 23
Ngi yu 1 4 5
Khc 1 2 3
T bng s liu, ta c th sau
Hnh 5.1 i tng thng xuyn lin lc
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
T bng s liu v th, c th thy i tng sinh vin K48 trng ta lin
lc ch yu l bn b, vi 23 bn, chim 51,11%. i tng cc bn thng xuyn
lin lc chim v tr s 2 l gia nh, vi 14 bn, chim 31.11%. Ngi yu v cc
i tng khc chim t trng rt nh (ch 5 bn lin lc thng xuyn vi ngi
yu, chim 11,11% v 3 bn thng xuyn lin lc vi i tng khc, chim
6.67% trong mu nghin cu)
T phiu iu tra thu c, ta cng c th lp bng v th phn bit i
tng thng xuyn lin lc ca cc bn nam v n nh sau:
Bng 5.2: i tng thng xuyn lin lc phn theo gii tnh
Nam N Tng
Gia nhS lng 2 12 14
T l (%) 13,33 40,00 31,11
Bn bS lng 11 12 23
T l (%) 73,33 40,00 51,11
Ngi yu S lng 1 4 5T l (%) 6,67 13,33 11,11
KhcS lng 1 2 3
T l (%) 6,67 6,67 6,67
TngS lng 15 30 45
T l (%) 100 100 100
T bng s liu, ta c th sau:
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Hnh 5.2 i tng thng xuyn lin lc phn theo gii tnh
Da vo bng s liu v biu trn, c th thy cc bn nam ch yu dng
in thoi lin lc vi bn b (chim ti 75%), gia nh ch chim 1 t trng nh
(13%), ngi yu v cc i tng khc chim t trng nh nht (6%). Trong khi
, vi cc bn n, i tng thng xuyn lin lc l gia nh v bn b (u
chim 40%), ngi yu v cc i tng khc cng chim t trng tng i thp,vi ngi yu 13% v i tng khc 7%.
6. nh hng ca in thoi ti gi hc
Cu hi th 6 m nhm em a ra iu tra l: Bn c cho rng in
thoi c nh hng xu ti gi hc ca bn?, v 2 p n c a ra l:
A. C
B: Khng
Sau khi iu tra v thng k s liu, chng em rt ra bng s liu sau:
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Bng 6.1: nh hng ca in thoi ti gi hc
Xu Tt Tng
S lngT l
(%)
S lngT l
(%)
S lng T l (%)
Nam 2 14,29 12 85,71 14 100
N 6 21,43 22 78,57 28 100
Tng 8 19,05 34 80,95 42 100
T bng s liu, ta c th sau:
Hnh 6: nh hng ca in thoi ti gi hc
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Da vo bng s liu vo th, c th thy, phn lp sinh vin K48 trng ta
u cho rng in thoi khng c nh hng xu ti gi hc. 34 trn 42 bn tham
gia iu tra in thoi khng nh hng xu ti gi hc, chim t l 80,95%. Ch c
8 bn tham gia iu tra cho rng in thoi c nh hng xu ti gi hc ca cc
bn, chim t l 19,05%.
nh gi trn kh ng u gia cc bn nam v bn n. Trong 14 bn nam
c hi, ch c 2 bn cho rng in thoi c tc ng xu ti gi hc, chim t l
kh nh 14,29%, 12 bn cn li cho rng n khng h c nh hng xu, chim t
l 85,71%. T l ny n thp hn, nhng vn kh cao. 22/28 bn n tham gia
iu tra cho rng in thoi c nh hng tt ti gi hc, chim t l 78,57%, v 6
bn n cn li, tng ng vi 21,43% tin rng in thoi c nh hng xu ti
s tp trung ca cc bn vo bi ging trn lp.
7. Ch in thoi trong gi hc
Cu th 7 m c nhm em t ra iu tra l: Trong gi hc bn thng
in thoi ch no? V 3 p n c a ra l:
A. Tt ngun,B. Ch rung,
C. C ting.
Sau khi iu tra v thng k s liu, chng em thu c bng tm tt sau:
Bng 7: Ch in thoi trong gi hc
Kha Gii tnh Ch in thoi trong gi hcTt ngun Ch rung C ting
48Nam 0 12 2
N 1 24 3
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Tng 42 1 36 5
Ta c biu tng kt sau:
Trong s 14 bn nam tham gia iu tra th khng c bn no tr li l tt
ngun trong gi hc; 12 bn ch rung chim 81.65 %, s cn li th in thoi
trng thi c ting, tuy nhin s ny chim t l khng ln so vi tng
s(18.35%).
Khng khc vi cc bn nam th trong s 28 cc bn n c n 24 bn t in
thoi ch rung, 3 bn c ting v 1 bn chn tt ngun.
Nh vy, tng kt li cu hi ny chng em thy rng, trong tng s 42 bn
sinh vin tham gia iu tra th ch c duy nht mt bn tt ngun khi hc. Rt t
ngi lm vic ny tp trung vo vic hc hay trnh nh hng n ngi khc
mc cao nh th. 5 bn th c ting (11.9%), v 36 bn rung (85.71%). i
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
a s u ch kh hp l. ng thi gii tnh khng phi l nhn t nh
hng ti vic la chn ca ch t in thoi. Bi ta u thy a phn cc bn
nam v n u rung, t bn c ting v cng t bn tt ngun.
8. Tc ng ca vic s dng in thoi
Cu hi th 8 m c nhm em t ra iu tra l: Bn cm thy vic s
dng in thoi c tc ng nh th no ti hc tp, quan h bn b, gii tr, v
tng th; vi 4 p n l xu, khng tc ng, tt v rt tt.
Sau khi iu tra v thng k s liu, chng em thu c bng tm tt sau:
Bng 8: Tc ng ca vic s dng in thoi
Tc ng Xu Khng tc ng Tt Rt tt
Hc tp 4 14 16 8
Quan h bn b 0 3 18 21
Gii tr 0 5 21 16
Tng th 0 4 27 11
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Nhn vo biu c cu ny ta thy r, tu chung li th vic s dng in
thoi c cho l tc ng xu ti sinh vin ch chim 10%. Con s ny chim
khng ng k. Tri li vic dng in thoi cn mang li kt qu tt cho hc tp,
bn b v gii tr na (67%). Cn li th coi nh khng c tc ng. C th suy
on t kt qu ny rng, sinh vin Ngoi Thng coi vic dng in thoi l rt
bnh thng m khng phi l mt yu t gy nh hng nh cc tr gii tr hay ktbn khc c th l chi game, .v sinh vin kim sot c tc ng ca n
bin n thnh cng c hc tp, to dng cc mi quan h tt hn cng nh gim
bt cng thng mt mi sau gi hc chng hn.
C th ta i vo phn tch tc ng ca vic s dng in thoi vi tiu ch c
th: hc tp, gii tr v quan h bn b, v tng th nh gi chung.
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
Hnh 8.2: Tc ng ca vic s dng in thoi ti cc hot ng
Nhn xt:
Da vo kt qu thng k trn, ta thy c:
V hc tp, c 4 ngi trong tng s 42 ngi cho rng vic s dng in thoi
c nh hng xu ti hc tp, chim khong 9.52 %. 33% s ngi ngh vic s
dng hon ton khng c tc ng g. Chim i a s kin l nhng ngi ng
h vic s dng in thoi c ch cho hc tp, chim tng ng 38.095 % . Cn
li con s khng nh 19.05 % th cho rng rt tt.
V tiu ch quan h bn b, khng ai cho rng dng in thoi nh hng ti
cc mi quan h c. a phn l c tc ng rt tt 50%(21 ngi), tip n l tt c
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
18 ngi ng h, v ko ng k l 3 ngi cho rng n khng c tc ng. Nh vy
th vic dng in thoi c th ni l si dy gip lm cho cc mi quan h tr nn
tt p hn cng nh to thm cc mi quan h mi.
V tiu ch gii tr, kt qu c hi thay i. C th l: 50% cho rng tc ng ltt, 16/42 ngi ng h kin rt tt, v 5 ngi cn li cho rng khng tc ng.
V cng khng c ai thy n tc ng ngc tr li vic gii tr.
Xem xt trn tng th, th ni chung l khng c nh hng xu, 27/42 ngi
hay trn 64.3 % s ngi tham gia iu tra th ng h vic dng in thoi c tc
ng tt v 11 ngi thy rt tt. Cn li khng ng k l s ngi cho rng
khng tc ng.
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
KT LUNMc tiu ca cuc iu tra l tm hiu v tnh hnh s dng in thoi ca sinh
vin trng i Hc Ngoi Thng. Do nhng iu kin v thi gian v kinh ph
nn chng em khng c s liu v K47 hay K46. Nn s liu cha c a dnglm, ch c s liu iu tra ca K48! Hn na ch iu tra mt phn sinh vin K48
nn kt qu v mt s kt lun khng trnh khi nhng ch khng chnh xc. Tuy
vy, bn thu hoch cng khi qut c phn no mc ch ca bi tp: chc nng
chnh ca in thoi m sinh vin hay dng, i tng thng xuyn lin lc, nh
hng ca in thoi ti gi hc, tc ng ca vic s dng in thoi
Ni tm li th sinh vin ch yu dng in thoi nhn tin, gi in nn
chc nng ca chic in thoi m sinh vin hay dng phn ln ch cn c th nhn
tin v nghe gi, khng cu k l in thoi i mi nhiu chc nng. Th hai, sinh
vin lin lc thng xuyn nht l bn b, v s ng khng cho rng vic dng
in thoi c nh hng xu ti gi hc, nn vic a phn sinh vin khng tt in
thoi trong lp l iu d hiu. Hn na, sinh vin u cho rng in thoi l cng
c hu ch v chi ph kh r kt bn v tng cng mi quan h thn thit vibn b. Mt kt lun cng ng lu y l cc bn thng dnh 50-100 ngn
mt thng cho s dng in thoi v cng khng t ngi dng trn 100 ngn. C
th thy rng sinh vin dng cng kh nhiu tin vo ph dng in thoi. Tuy
nhin vic dng nhiu hay t th cc bn tham gia iu tra u thy n khng nh
hng nhiu ti hc tp. y l mt kt qu kh kh quan.
Ngoi ra chng em cng gp phi mt s kh khn trong vic hon thnh bitp ln. Trc ht l v hc theo tn ch nn nhm chng em khng c nhiu thi
gian thng nht v bi, v kt qu tng hp s liu iu tra phn tch cng
nh cc phn cng vic cho mi ngi; hn na, chng trnh hc trng li kt
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
thc sm mun cc lp khc nhau m lin lc ch yu qua mail,Yahoo nn cng
c phn bt tin.
Trn y l mt s kt lun chng em tng kt c. Bn thu thp iu tra ln
u c nhiu kh khn nn khng trnh khi thiu st, mong c xem xt v gp cho chng em rt kinh nghim trong cc mn hc ln sau. Chng em xin cm n
c!
DANH MC TI LIU THAM KHO
1) Gio trnh l thuyt thng k, NXB thng k, trng i hc Kinh T QucDn
2) http://tailieu.vn
3) http://kilobooks.com
4) http://ebooks.com
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http://tailieu.vn/http://kilobooks.com/http://ebooks.com/http://kilobooks.com/http://ebooks.com/http://tailieu.vn/ -
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Nghin cu thng k Lp TOA301(2-1011).5_LT Nhm 5
BNG IM NH GI MC NG GPCA CC THNH VIN TRONG NHM
Ch vi 3 thnh vin, hon thnh c ti: Nghin cu thng k v
tnh hnh s dng in thoi hng thng ca sinh vin kha 48, i hc NgoiThng, chng em u tch cc tham gia v hon thnh phn vic c giao. C
th nh sau:
1. Phm Th Thu H:
- Thit lp phiu iu tra
- Thc hin phn gii thiu v cc cu hi 1, 2, 3.
2. Nguyn Th Trang:
- Pht phiu iu tra v thu thp thng tin
- Thc hin cc cu hi 7, 8 v phn kt lun
3. Phm Th Kim Oanh
- Tng hp s liu t phiu iu tra
- Thc hin cc cu hi 4, 5, 6
- Tng hp cc phn hon thin bi nghin cu
Sau khi bn bc v thng nht, chng em a ra bng im nh gi mc
ng gp ca cc thnh vin trong nhm nh sau:
STT H v tn M sinh vin im
1 Phm Th Thu H 0951010063 10
2 Phm Th Kim Oanh 0951010183 10
3 Nguyn Th Trang 0951010596 10