(Answered) A criminologist is interested in the effects of

Statistics

A criminologist is interested in the effects of unemployment and policing on murder and has run the following multiple regression:

Summary Output

Regression Statistics

Multiple R 0.90303

R Square 0.815462

Adjusted R Square 0.762737

Standard Error 5.11041

Observations 10

Coefficients Standard Error t Statistic P-value

Intercept -23.26309588 7.075518018 -3.28783 0.013342

Unemployment rate 10.27754326 2.172859937 4.729961 0.002133

Police per 100,000 -0.046737101 0.023409765 -1.99648 0.086065

a. What is the Y-intercept? Interpret your results.

b. Which variables are significant at the 0.05 level?

c. What is the predicted homicide rate for a city with an unemployment rate of 5% and 250 police officers per 100,000 population?

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