• 0

A PHP Error was encountered

Severity: Notice

Message: Undefined index: userid

Filename: views/question.php

Line Number: 212


File: /home/mycocrkc/statisticsanswered.com/application/views/question.php
Line: 212
Function: _error_handler

File: /home/mycocrkc/statisticsanswered.com/application/controllers/Questions.php
Line: 416
Function: view

File: /home/mycocrkc/statisticsanswered.com/index.php
Line: 315
Function: require_once

Data were gathered from a simple random sample of cities. The variables are Violent Crime (crimes 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.

  1.  State the standard null and alternative hypotheses for the true coefficient of Police Officer Wage.
  2. What is the t-statistic corresponding to this test?
  3. What is the P-value corresponding to this t-statistic?
  4. Test the null hypothesis (at alpha = 0.05) and state your conclusion.