Question: 3.) Use the same variables as in Exercise 1, but do the analysis separately for whites and blacks. Click Data, Split File, and then select
3.) Use the same variables as in Exercise 1, but do the analysis separately for whites and blacks. Click Data, Split File, and then select Organize Output by Groups. Intersect RACECEN1 into the box and click OK. (Note: Be sure to remove SEX from the box if it still there from the previous exercise.) Now, SPSS will split your results by RACECEN1.
a. Is there a difference between the regression equations for whites and blacks?
b. What is the predicted number for whites and blacks with the same number of siblings: One sibling, four siblings, and seven siblings?



Variables Entered/Removeda Variables Variables Model Entered Removed Method 1 NUMBER OF Enter BROTHERS AND SISTERS a. Dependent Variable: NUMBER OF CHILDREN b. All requested variables entered. Model Summary Adjusted R Std. Error of Double-click to Model R R Square Square the Estimat activate 1 .247a .061 .061 1.601 a. Predictors: (Constant), NUMBER OF BROTHERS AND SISTERS ANOVA Sum of Squares 248.773 df Mean Square Model 1 F Sig. .000 1 248.773 97.090 Regression Residual 3815.244 1489 2.562 Total 4064.017 1490 a. Dependent Variable: NUMBER OF CHILDREN b. Predictors: (Constant), NUMBER OF BROTHERS AND SISTERS Coefficients Standardized Coefficients Beta t Sig. 20.759 .000 Unstandardized Coefficients Model B Std. Error 1 (Constant) 1.396 .067 NUMBER OF BROTHERS .145 .015 AND SISTERS a. Dependent Variable: NUMBER OF CHILDREN 247 9.853 .000 Correlations WHAT IS RS RACE 1ST MENTION = WHITE Correlations NUMBER OF CHILDREN NUMBER OF BROTHERS AND SISTERS .242" NUMBER OF CHILDREN 1 Pearson Correlation Sig. (2-tailed) N .000 1121 1119 .242" 1 .000 NUMBER OF BROTHERS Pearson Correlation AND SISTERS Sig. (2-tailed) N ** Correlation is significant at the 0.01 level (2-tailed). a. WHAT IS RS RACE 1ST MENTION = WHITE 1119 1122 WHAT IS RS RACE 1ST MENTION = BLACK OR AFRICAN AMERICAN Correlations NUMBER OF CHILDREN NUMBER OF BROTHERS AND SISTERS .217" NUMBER OF CHILDREN 1 Pearson Correlation Sig. (2-tailed) N .001 216 217 .217" Pearson Correlation 1 NUMBER OF BROTHERS AND SISTERS .001 Sig. (2-tailed) N 216 216 **. Correlation is significant at the 0.01 level (2-tailed). a. WHAT IS RS RACE 1ST MENTION = BLACK OR AFRICAN AMERICAN Variables Entered/Removeda Variables Variables Model Entered Removed Method 1 NUMBER OF Enter BROTHERS AND SISTERS a. Dependent Variable: NUMBER OF CHILDREN b. All requested variables entered. Model Summary Adjusted R Std. Error of Double-click to Model R R Square Square the Estimat activate 1 .247a .061 .061 1.601 a. Predictors: (Constant), NUMBER OF BROTHERS AND SISTERS ANOVA Sum of Squares 248.773 df Mean Square Model 1 F Sig. .000 1 248.773 97.090 Regression Residual 3815.244 1489 2.562 Total 4064.017 1490 a. Dependent Variable: NUMBER OF CHILDREN b. Predictors: (Constant), NUMBER OF BROTHERS AND SISTERS Coefficients Standardized Coefficients Beta t Sig. 20.759 .000 Unstandardized Coefficients Model B Std. Error 1 (Constant) 1.396 .067 NUMBER OF BROTHERS .145 .015 AND SISTERS a. Dependent Variable: NUMBER OF CHILDREN 247 9.853 .000 Correlations WHAT IS RS RACE 1ST MENTION = WHITE Correlations NUMBER OF CHILDREN NUMBER OF BROTHERS AND SISTERS .242" NUMBER OF CHILDREN 1 Pearson Correlation Sig. (2-tailed) N .000 1121 1119 .242" 1 .000 NUMBER OF BROTHERS Pearson Correlation AND SISTERS Sig. (2-tailed) N ** Correlation is significant at the 0.01 level (2-tailed). a. WHAT IS RS RACE 1ST MENTION = WHITE 1119 1122 WHAT IS RS RACE 1ST MENTION = BLACK OR AFRICAN AMERICAN Correlations NUMBER OF CHILDREN NUMBER OF BROTHERS AND SISTERS .217" NUMBER OF CHILDREN 1 Pearson Correlation Sig. (2-tailed) N .001 216 217 .217" Pearson Correlation 1 NUMBER OF BROTHERS AND SISTERS .001 Sig. (2-tailed) N 216 216 **. Correlation is significant at the 0.01 level (2-tailed). a. WHAT IS RS RACE 1ST MENTION = BLACK OR AFRICAN AMERICAN
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