Eksamen ERN4110, 6/ VEDLEGG SPSS utskrifter til oppgavene (Av plasshensyn kan utskriftene være noe redigert)

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1 Eksamen ERN4110, 6/ VEDLEGG SPSS utskrifter til oppgavene (Av plasshensyn kan utskriftene være noe redigert) 1

2 Oppgave 1 Datafila I SPSS: Variabelnavn Beskrivelse Kjønn Kjønn (1=Kvinne, 2=Mann) Studieinteresse Hvor tidlig fattet du interesse for studiet? (1=Fra jeg var barn, 2=I ungdomstida, 3=Siste år) Data Weight Cases Weight cases by: Antall Analyze - Descriptive Statistics - Crosstabs Row(s): Kjønn Column(s): Studieinteresse Statistics: Chi-square Cells: Expected Row Crosstabs Kjønn * Studieinteresse Crosstabulation Studieinteresse Fra jeg var barn I ungdomstida Siste år Kjønn Kvinne Count Total Expected Count 79,5 398,3 862,2 1340,0 % within Kjønn 6,9% 28,7% 64,3% 100,0% Mann Count Expected Count 24,5 122,7 265,8 413,0 % within Kjønn 2,7% 32,9% 64,4% 100,0% Total Count Expected Count 104,0 521,0 1128,0 1753,0 % within Kjønn 5,9% 29,7% 64,3% 100,0% 2

3 Chi-Square Tests Value df Asymptotic Significance (2- sided) Pearson Chi-Square 11,606 a 2,003 Likelihood Ratio 13,387 2,001 Linear-by-Linear Association 1,655 1,198 N of Valid Cases 1753 a. 0 cells (0,0%) have expected count less than 5. The minimum expected count is 24,50. 3

4 Datafila i SPSS: Oppgave 2 Variabelnavn skole score Beskrivelse Skole (1=Skole1, 2=Skole2, 3=Skole3) IQ score Analyze Descriptive Statistics Explore Dependent List: score Factor List: skole Plots: Histogram Normality plots with tests 4

5 Explore Case Processing Summary Cases Valid Missing Total skole N Percent N Percent N Percent score 1, ,0% 0 0,0% ,0% 2, ,0% 0 0,0% ,0% 3, ,0% 0 0,0% ,0% Descriptives skole Statistic Std. Error score 1,00 Mean 99,2000 3, % Confidence Interval for Mean Lower Bound 91,6610 Upper Bound 106,7390 5% Trimmed Mean 99,1111 Median 99,5000 Variance 111,067 Std. Deviation 10,53882 Minimum 85,00 Maximum 115,00 Range 30,00 Interquartile Range 21,00 Skewness,141,687 Kurtosis -1,386 1,334 2,00 Mean 112,6000 4, % Confidence Interval for Mean Lower Bound 102,3427 Upper Bound 122,8573 5% Trimmed Mean 112,3889 Median 112,5000 Variance 205,600 Std. Deviation 14,33876 Minimum 94,00 Maximum 135,00 Range 41,00 Interquartile Range 29,00 Skewness,020,687 Kurtosis -1,328 1,334 3,00 Mean 93,3000 4, % Confidence Interval for Mean Lower Bound 84,2385 Upper Bound 102,3615 5% Trimmed Mean 93,2778 Median 94,5000 Variance 160,456 Std. Deviation 12,66711 Minimum 74,00 Maximum 113,00 Range 39,00 Interquartile Range 18,50 5

6 Skewness -,100,687 Kurtosis -,670 1,334 Tests of Normality Kolmogorov-Smirnov a Shapiro-Wilk skole Statistic df Sig. Statistic df Sig. score 1,00,147 10,200 *,943 10,585 2,00,177 10,200 *,925 10,397 3,00,114 10,200 *,967 10,864 *. This is a lower bound of the true significance. a. Lilliefors Significance Correction Histograms 6

7 7

8 Normal Q-Q Plots 8

9 Detrended Normal Q-Q Plots 9

10 10

11 Analyze Nonparametric Tests Legacy Dialogs K Independent Samples Test variable List: score Grouping Variable: skole (1 3) Kruskal-Wallis H Exact tests: Exact NPar Tests Kruskal-Wallis Test Ranks skole N Mean Rank score 1, ,20 2, ,45 3, ,85 Total 30 Test Statistics a,b score Kruskal-Wallis H 7,596 df 2 Asymp. Sig.,022 a. Kruskal Wallis Test b. Grouping Variable: skole Analyze Nonparametric Tests Legacy Dialogs 2 Independent Samples Test variable List: score Grouping Variable: skole (1 2) Mann Whitney U Exact tests: Exact 11

12 NPar Tests Mann-Whitney Test Ranks skole N Mean Rank Sum of Ranks score 1, ,85 78,50 2, ,15 131,50 Total 20 Test Statistics a score Mann-Whitney U 23,500 Wilcoxon W 78,500 Z -2,006 Asymp. Sig. (2-tailed),045 Exact Sig. [2*(1-tailed Sig.)],043 b Exact Sig. (2-tailed),045 Exact Sig. (1-tailed),023 Point Probability,002 a. Grouping Variable: skole b. Not corrected for ties. Analyze Nonparametric Tests Legacy Dialogs 2 Independent Samples Test variable List: score Grouping Variable: skole (1 3) Mann Whitney U Exact tests: Exact NPar Tests Mann-Whitney Test Ranks skole N Mean Rank Sum of Ranks score 1, ,85 118,50 3, ,15 91,50 Total 20 Test Statistics a score Mann-Whitney U 36,500 Wilcoxon W 91,500 Z -1,023 Asymp. Sig. (2-tailed),306 Exact Sig. [2*(1-tailed Sig.)],315 b Exact Sig. (2-tailed),323 Exact Sig. (1-tailed),161 Point Probability,009 a. Grouping Variable: skole b. Not corrected for ties. 12

13 Analyze Nonparametric Tests Legacy Dialogs 2 Independent Samples Test variable List: score Grouping Variable: skole (2 3) Mann Whitney U Exact tests: Exact NPar Tests Mann-Whitney Test Ranks skole N Mean Rank Sum of Ranks score 2, ,80 138,00 3, ,20 72,00 Total 20 Test Statistics a score Mann-Whitney U 17,000 Wilcoxon W 72,000 Z -2,500 Asymp. Sig. (2-tailed),012 Exact Sig. [2*(1-tailed Sig.)],011 b Exact Sig. (2-tailed),011 Exact Sig. (1-tailed),005 Point Probability,001 a. Grouping Variable: skole b. Not corrected for ties. Analyze Compare Means One-Way ANOVA Dependent List: score Factor: skole Options: Descriptive Homogeneity of variance Oneway Descriptives score 95% Confidence Interval for Std. Mean N Mean Deviation Std. Error Lower Bound Upper Bound Minimum Maximum 1, , , , , , ,00 115,00 2, , , , , , ,00 135,00 3, , , , , , ,00 113,00 Total , , , , , ,00 135,00 Test of Homogeneity of Variances Levene Statistic df1 df2 Sig. score Based on Mean, ,588 Based on Median, ,592 Based on Median and with, ,834,592 adjusted df Based on trimmed mean, ,588 13

14 score ANOVA Sum of Squares df Mean Square F Sig. Between Groups 1956, ,100 6,150,006 Within Groups 4294, ,041 Total 6250, Analyze Compare Means One-Way ANOVA Dependent List: score Factor: skole Posthoc: Bonferroni Oneway ANOVA score Sum of Squares df Mean Square F Sig. Between Groups 1956, ,100 6,150,006 Within Groups 4294, ,041 Total 6250, Post Hoc Tests Multiple Comparisons Dependent Variable: score Bonferroni Mean Difference (I- 95% Confidence Interval (I) skole (J) skole J) Std. Error Sig. Lower Bound Upper Bound 1,00 2,00-13, ,63987,075-27,7955,9955 3,00 5, ,63987,914-8, ,2955 2,00 1,00 13, ,63987,075 -, ,7955 3,00 19,30000 * 5,63987,006 4, ,6955 3,00 1,00-5, ,63987,914-20,2955 8,4955 2,00-19,30000 * 5,63987,006-33,6955-4,9045 *. The mean difference is significant at the 0.05 level. 14

15 Oppgave 3 Ingen utskrift. Oppgave 4 Ingen utskrift 15

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