Databaserad sannolikhetslu00e4ra (seminarium 2) -...

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Databaserad sannolikhetslära Seminarium 2 F-test (Globalt test) finns med i ANOVA-tablå → Signifikans K = antal x-värden. SPSS (dummy variabel) ska vara Numeric och nominal, men kan välja labels (1 - ja, 0 - nej) Tentauppgifter (uppgift 3-4) A sawing mill produces planks of different lengths. Following is a sample of the number of defects compared to the lengths of the planks. Length (X) 4 5 6 7 8 9 10 11 12 13 14 Defects (Y) 16 12 25 42 35 39 42 40 38 49 60 Develop a scatter diagram.Determine the regression equation (regressionslinje). Determine the expected value when the length is 10. Determine the correlation coefficient. 4. Given the following software output.
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Regression Analysis ANOVA Table Source SUM OF SQUARES df MEAN SQUARE F Sign. Regression 227.0928 4 56.7732 9.27 .000 Residual 153.0739
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