SPSS Homework 6: Prediction: Bivariate Linear Regression

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PSYC 355 SPSS HOMEWORK 6 PREDICTION: BIVARIATE LINEAR REGRESSION Part 1 : Green & Salkind: Lesson 33, Exercises 1, 3 – 4 1. The required SPSS output of Regression analysis is shown below: Descriptive Statistics Mean Std. Deviation N Number of times hitting a peer 11.60 20.095 10 Number of times hitting a bobo doll 4.90 8.048 10 Correlations Number of times hitting a peer Number of times hitting a bobo doll Pearson Correlation Number of times hitting a peer 1.000 .930 Number of times hitting a bobo doll .930 1.000 Sig. (1 - tailed) Number of times hitting a peer . .000 Number of times hitting a bobo doll .000 . N Number of times hitting a peer 10 10 Number of times hitting a bobo doll 10 10
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PSYC 355 Model Summary Model R R Square Adjusted R Square Std. Error of the Estimate 1 .930 a .865 .848 7.835 a. Predictors: (Constant), Number of times hitting a bobo doll ANOVA b Model Sum of Squares df Mean Square F Sig. 1 Regression 3143.306 1 3143.306 51.205 .000 a Residual 491.094 8 61.387 Total 3634.400 9 a. Predictors: (Constant), Number of times hitting a bobo doll b. Dependent Variable: Number of times hitting a peer Coefficients a Model Unstandardized Coefficients Standardized Coefficients t Sig. B Std. Error Beta 1 (Constant) .221 2.944 .075 .942 Number of times hitting a bobo doll 2.322 .325 .930 7.156 .000 a. Dependent Variable: Number of times hitting a peer Model 95.0% Confidence Interval for B Lower Bound Upper Bound 1 (Constant) - 6.568 7.010 Number of times hitting a bobo doll 1.574 3.071 a. Dependent Variable: Number of times hitting a peer

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