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Variables Entered/Removed a Model Variables Entered Variables Removed Method 1 RELEASED VS. DETAINED, GENDER OF DEFENDANT, AGE OF DEFENDANT AT ARREST, RACE OF DEFENDANT, #

Variables Entered/Removeda

Model

Variables Entered

Variables Removed

Method

1

RELEASED VS. DETAINED, GENDER OF DEFENDANT, AGE OF DEFENDANT AT ARREST, RACE OF DEFENDANT, # PRIOR FELONY CONVICTIONSb

.

Enter

a. Dependent Variable: # PRISON MONTHS-MAXIMUM

b. All requested variables entered.

Model Summary

Model

R

R Square

Adjusted R Square

Std. Error of the Estimate

1

.183a

.033

.010

57.17214

a. Predictors: (Constant), RELEASED VS. DETAINED, GENDER OF DEFENDANT, AGE OF DEFENDANT AT ARREST, RACE OF DEFENDANT, # PRIOR FELONY CONVICTIONS

ANOVAa

Model

Sum of Squares

df

Mean Square

F

Sig.

1

Regression

23761.784

5

4752.357

1.454

.206b

Residual

686417.174

210

3268.653

Total

710178.958

215

a. Dependent Variable: # PRISON MONTHS-MAXIMUM

b. Predictors: (Constant), RELEASED VS. DETAINED, GENDER OF DEFENDANT, AGE OF DEFENDANT AT ARREST, RACE OF DEFENDANT, # PRIOR FELONY CONVICTIONS

Coefficientsa

Model

Unstandardized Coefficients

Standardized Coefficients

t

Sig.

B

Std. Error

Beta

1

(Constant)

38.206

28.432

1.344

.180

GENDER OF DEFENDANT

14.031

23.874

.040

.588

.557

AGE OF DEFENDANT AT ARREST

-.328

.476

-.049

-.689

.492

RACE OF DEFENDANT

-5.135

7.999

-.045

-.642

.522

# PRIOR FELONY CONVICTIONS

2.752

1.326

.146

2.075

.039

RELEASED VS. DETAINED

11.962

9.214

.090

1.298

.196

a. Dependent Variable: # PRISON MONTHS-MAXIMUM

Using the sentencing dataset, run a regression analysis and answer the following questions:

  1. Which independent variable(s) have a statistically significant effect on prison sentence length? Interpret the beta coefficient for these significant variable(s).
  2. What is the R2 for the model? Is this coefficient relatively high or low?
  3. Although nonsensical, interpret the beta coefficient for the intercept.
  4. Is multicollinearity impacting your results? Explain why or why not.
  5. Are there any influential cases in the dataset? Explain your answer.

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