Nhóm 5 - Tình hình sử dụng điện thoại K48

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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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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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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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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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:


= = 1,36

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-Mt ca s in thoi ca sinh vin: xo = 1

* vi sinh vin n:


= = 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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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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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:


= = 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:


= = 80 nghn ng

- Mt ca s tin in thoi ca n sinh vin hng thng: 50 -100 ngn ng

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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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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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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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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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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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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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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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thng xuyn lin lc vi nhiu ngi), nn c 45 cu tr li v i tng lin

lc thng xuyn trong cu hi ny.


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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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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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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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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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.


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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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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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.


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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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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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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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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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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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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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

Nhóm 5 - Tình hình sử dụng điện thoại K48

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Transcript of Nhóm 5 - Tình hình sử dụng điện thoại K48