Question

Desperately need help on this one. please help. thank you

10. Who likes George Bush in 2012? The model summarized below predicts the Bush feeling thermometer as a function of age (in years, 18.93), education (1-lowest, 16 highest), income (1- poor, 28 rich) and party id (from "1" Strong Democrat to "7" Strong Republican) and also includes dummy variables for gender (female-1) and race (non-white-1). Which two demographic characteristics have the biggest impact on feelings toward Bush? Explain how you reached the conclusion. Are there any surprises in the output? Model Surmmary R SquareSquare a Predictors (Constand, mincely, female, PRE. Highest level of the Estimate 24.032 406 Edutaion, PRE: SUMMARY Age of R, CASWEB PREPOST SUMMARY. Family income, PRE SUMARY Party ID Coefficients Standardized Coeficients Unstandardized Coeicients Sid Eror Beta Sig Model 976 1.450 644 019 036 041 043 3.179 185 018 043 Constant female PRE SUMMARY. Age of R PRE Highest level of Education CASUWEB: PREPOST 051 93000 102 9.767 000 005-490624 011 1051 293 SUMMARY-Family income 617 56 525 000 018 -1.63 162 759 9.132 1260 PRE: SUMMARY-Party ID 101 a.Dependent Variable: PRE Feeling Thermometer GW Bush

Answer 1

The Two Demographic characteristics that have the biggest impact on the feelings towards Bush are

• Female
• Age of Respondent

A Regression Analysis is Done In SPSS that provides us with a table for Coefficients and T-tests and p-values for each of these regression coefficients ,these t-statistic and p-values are used to test for Significance of the Beta-cofficients individually. That is, For each i,

$H_0: \beta_i = 0 \, vs \, H_1: \beta_i\neq 0$

Since , the t-statistics are not the most reliable way to judge which coefficients are more important to the model , we use p-values.  If p-value < level of significance , we reject null. Here we see that for Independent Variables : Female and Age, the p-values are 0. Hence we reject H0 and say these are the main contributing factors.

Another way to judge important variables is to see their coefficients, Female has the highest absolute value of beta followed by Minority and Age.

This goes to show that Women have a significant say in who is voted to power