Answer the Questions That Follow This SPSS Output:
Model

question 30

Essay

Answer the questions that follow this SPSS output:
Model Summary
$\begin{array}{|l|l|r|r|r|}\hline \text { Model } & \text { R } & \text { R Square } & \begin{array}{c}\text { Adjusted R } \\\text { Square }\end{array} & \begin{array}{c}\text { Std. Error of } \\\text { the Estimate }\end{array} \\\hline 1 & .269^{n} & .072 & .051 & 31703.688 \\\hline\end{array}$
a. Predictors: (Constant), EDUC, AGE, SEX
ANOVAᵇ
$\begin{array}{|ll|r|r|r|r|r|}\hline \text { Model } & {\begin{array}{c}\text { Sum of } \\\text { Squares }\end{array}} & \text { di } & \text { Mean Square } & \text { F } & \text { Sig. } \\\hline 1 & \text { Regression } & 1.036 \mathrm{E} 10 & 3 & 3.454 \mathrm{E} 9 & 3.437 & .019^{*} \\& \text { Residual } & 1.327 \mathrm{E} 11 & 132 & 1.005 \mathrm{Eg} & & \\& \text { Total } & 1.430 \mathrm{E} 11 & 135 & & & \\\hline\end{array}$
a. Predictors: (Constant), EDUC, AGE, SEX
b. Dependent Variable: INCOME
Confficiantes
$\begin{array}{|ll|r|r|r|r|r|}\hline& \text { Unstandardized Coefficients } &&\text { Standardized Coefficients }\\\hline {\text { Model }} & {\text { B }} & {\text { Std, Error }} & {\text { Beta }} & {\mathrm{t}} & {\text { Sig. }} \\\hline 1 & \text { (Constant) } & -32164.576 & 62650.072 & & -.513 & .609 \\& \text { AGE } & 884.072 & 944.344 & .079 & .936 & .351 \\& \text { SEX } & -15963.816 & 5515.004 & -.245 & -2.895 & .004 \\& \text { EDUC } & 2139.491 & 2084.655 & .087 & 1.026 & .307 \\\hline\end{array}$
a. Dependent Variable: INCOME
Your research hypothesis is "In the population, AGE has a positive net effect on INCOME after controlling for SEX and years of schooling (EDUC)." ()
A) What is your null hypothesis?
B) Are the sample results consistent with the research hypothesis or with the null hypothesis?
C) What is the probability of getting the sample results you got if the null hypothesis is true? (If this step in hypothesis testing can be skipped, write the word "SKIP".)
D) What is your conclusion? (In other words, do you "reject" or "not reject" the null hypothesis based on these results?)
E) Are your results statistically significant? (yes / no)

• A) What is your null hypothesis?
• B) Are the sample results consistent with the research hypothesis or with the null hypothesis?
• C) What is the probability of getting the sample results you got if the null hypothesis is true? (If this step in hypothesis testing can be skipped, write the word "SKIP".)
• D) What is your conclusion? (In other words, do you "reject" or "not reject" the null hypothesis based on these results?)
• E) Are your results statistically significant? (yes / no)

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