Data were gathered from a smple random sample of cities. The variables are Volen

Question

Data were gathered from a smple random sample of cities. The variables are Volent Crime cr mes per 100,000 population Police Officer Wage mean $ hr) and Graduation Rate %). Use the accompanying regression table to answer the following questions considering the coefficient of Police Officer Wage. Complete parts a through d. Click to view the regression table. a) State the standard null and alternative hypotheses for the true coefficient of Police Officer Wage Regression Table Ha: °fficer #0 A POfficer0 Dependent variable is: Violent Crime R squared-39.0% R squared (adjusted) = 41.2% s = 129.6 with 37 degrees of freedom Ha: °fficer > 0 HA: °fficer = 0 Variable Intercept Police Officer Wage 9.144.157 Graduation Rate -16.72 2.500 Coeff SE (Coeff) t-ratio P-value 1380.66 185.5 b) What is the t-statistic corresponding to this test? 7.44 0.0001 2.20 0.0342 -6.69

Explanation / Answer

a) Option A is correct.

b) As per given output, t = 2.20

c) P - value = 0.0342

d) Option B is correct.

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