PHN TCH D LIU VI SPSS 13.0*

NI DUNG THC HNHGii thiu li v giao din SPSS v ci tFrequency (Thng k tn sut)Descriptive (tnh gi tr trung bnh)Crosstab (tnh tng quan)Compare mean (so snh cc gi tr trung bnh)

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GII THIU V GIAO DIN SPSSData view: cc s liu nhp vo SPSS. Mi hng ngang l th hin cho 1 bng hiVariable view: thit k cc bin theo bng s liu. Mi bin hin th bng 1 hng dc (column) trong data view.*

XC NH CC LOI BIN TRONG BNG HIBin nh danh: quy cho, khng theo th bc (Vd: m tnh, m x, gii tnh)Bin th bc: quy cho, theo th bc (Vd: D8)Bin lin tc: (tui, D2, D3)*

FREQUENCIES (TNH TN SUT)Cu lnh: Analyze Descriptive Statistic Frequencies.Tc dng: tnh tn sut xut hin ca tng bin s. Vd nh bao nhiu % s ngi tham gia vo d n? Bao nhiu % h gia nh c t canh tc.i tng: bin nh danh, th bc. (tr bin lin tc). C th tnh cc gi tr trung bnh, trung v ca bin s. Cch lm: statistic, chn mean, medium, mode.V biu : Charts : hnh ct, hnh trnCch c biu

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FREQUENCY*

FREQUENCY: GII TNH NGI TR LI*

C S LIUCumulative %: phn trm cng dn.Percent: phn trm tnh c missingValid %: phn trm khng tnh missing

*i ct dng: Chnh trong output: Chut phi/ edit content/ thanh cng c: pivot-transpose rows and columns

THC HNHDng lnh frequency m tS lng ch h l nam/ n trong nghin cuS lng ch h thuc cc dn tcM t c im h: giy chng nhn quyn s hu t (B1), ngi ng tn (B2), mi nh (B3), nn nh (B4), ngun nc n chnh (B6), nh v sinh (B7).M t bng E3 (11-49)

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HNG DN TR LIVo: Analyze Descriptive Statistic Frequencies. Trong bng Frequencies : Chn bin : A2 (u tin trong bng A2$01), A7, E3.n OK.*

2.1 DESCRIPTIVE STATISTICS (TNH GI TR TRUNG BNH)Tc dng: cho bit s phn b ca bin s gm mc tp trung, mc phn tnDescriptive thng c s dng tnh cc gi tr trung bnh ca cc bin s.i tng: cc bin lin tc. Vd: tui, thu nhp, chiu cao, cn nng)Cu lnh: Analyze Descriptive Statistic DescriptiveCch c s liu

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DESCRIPTIVE*

DESCRIPTIVE*

C S LIU* tui nh nht ca NTL l 18 tui cao nht ca NTL l 89TB cng tui ngi tr li : 45.63

CROSSTAB (TNH TNG QUAN)Tc dng: o lng mi quan h gia 2 bin (: So snh s ph thuc ca bin ny vi bin kia).i tng: dng cho 2 bin nh lng (bin nh danh v th bc)Cu lnh: Analyze Descriptive Statistics CrosstabsCch c bng s liu

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CROSSTAB*

CROSSTABRow(s): nhp bin ph thuc (Vd: giy chng nhn quyn s dng t)Column(s): nhp bin c lp (Vd: gii tnh)*

CROSSTABChn Cells: Percentages: Row: phn trm theo hngColumn: phn trm theo ct.

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2.3. COMPARE MEANS(SO SNH CC GI TR TRUNG BNH CA MT BIN S)Tc dng: tnh v so snh cc thng s ca cc bin lin tc theo cc hng nht nh (Mean, lch chun,), thng c s dng so snh cc gi tr trung bnh i tng p dng: dng cho bin nh lng (cc bin lin tc, bin th bc phn chia thnh nhiu hng)Cu lnh: Analyze Compare Means MeansCch c s liu

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COMPARE MEAN*

COMPARE MEANDependent list: bin ph thuc (din tch t canh tc c ti tiu) - bin nh lng- ong o m c.Independent list: bin c lp (vd: dn tc ca ch h)*

*Vd nh trong x hi ngi ta hay ni bao nhiu % sinh vin ngh hc, bao nhiu % sinh vin ra trng c vic, bao nhiu % tr em trong tui i hc khng c n trng*S dng d liu 1991 US General Social Survey.sav

*Std. Deviation: lch chun: Thc ra lch chun l mt gi tr th hin mc hi t hay sc phn tn ca mt tp d liu. Nu mt tp d liu c lch chun nh iu chng t cc phn t d liu nhn trn phng din tng qut c s tng ng cao, ngc li th d liu c vng phn tn ln, ri rc trong khng gian gi tr ca chng**