Introduction to Sociological Research_Kupchik_Date__042310

Introduction to Sociological Research_Kupchik_Date__042310...

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Review for Multiple Regression You decide to examine in greater detail what may cause individuals to start offending early in life. You believe that parental criminality and failure at school may be important causes. You gather data from 400 offenders and ask them the age (in years) at which they started to offend ( y ), the number of times their parents were arrested ( x 1 ), and the grade point average (GPA) before starting to offend ( x 2 ). 10 = y 15 1 = x 5 . 1 2 = x b 1 = -0.55; b* 1 = -0.55 b 2 = 2.94; b* 2 = .206 R 2 = .51 R 2 Mean Square Regression = 762.43; Mean Square Residual = 64 Sb 1 = .21; Sb 2 = .45 Given this information: 1. Calculate the y intercept. 2. Write the resulting regression equation. 3. Interpret the R squared 4. Interpret each of the Regression Coefficients. 5. Conduct a significance test for the R squared 6. Conduct a significance test for each of the regression coefficients. 7.
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This note was uploaded on 08/30/2010 for the course SOCI 301 taught by Professor Kupchick during the Spring '09 term at University of Delaware.

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Introduction to Sociological Research_Kupchik_Date__042310...

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