A sociologist examines the relationship between the poverty rate and several socioeconomic factors. For the 50 states and the District of Columbia (n = 51), he collects data on the poverty rate (y, in %), the percent of the population with at least a high school education (x1), median income (x2, in $1000s), and the mortality rate per 1,000 residents (x3). He estimates the following model as y = ?0 + ?1Education + ?2Income + ?3Mortality + ?. The following ANOVA table shows a portion of the regression results. dfSSMSFRegression3417.3139.194.6Residual4769.11.47 Total50486.4 CoefficientsStandard Errort-statp-valueIntercept60.34.812.471.65E-16Education?0.430.05?7.785.45E-10Income?0.200.03?7.756.02E-10Morality0.080.170.470.6438Which of the following is the value
of the standard error of the estimate?
A. 139.1
B. 1.21
C. 4.8
D. 1.47
Answer: B
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