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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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From Healy Textbook Chapter 8:

8.14

***Even though the question doesn't say to, you must go through each of the five steps of significance testing in your answers.

8.14 The mayor of a large city started a “crimeline” program some years ago and wonders whether it is working. The program publicizes unsolved violent crimes in the local media and offers cash rewards for information leading to arrests. Are “featured” crimes more likely to be cleared by arrest than other violent crimes? Results from random samples of both types of crimes are reported as follows:

Sample 1
(Crimeline Crimes
Cleared by Arrest)
Sample 2
(Non-Crimeline Crimes
Cleared by Arrest)
P = 0.35
P, = 0.25
||
s1
s2
N, =
178
N, = 212

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