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You work for an insurance company and are studying the relationship between types of crashes and the vehicles involved. As part of your​ study, you randomly select 3550 vehicle crashes and organize the resulting data as shown in the contigency table. At a = 0.01                                                                   Type of crash    Car    Pickup    Sport utility  Single-vehicle    807    397         344  Multiple-vehicle  1137  465    400 Calculate the degrees of freedom. d.f =  Find the critical value. What is the correct rejection​ region?   Calculate the test statistic x2 =

You work for an insurance company and are studying the relationship between types of crashes and the vehicles involved. As part of your​ study, you randomly select 3550 vehicle crashes and organize the resulting data as shown in the contigency table. At a = 0.01                                                                   Type of crash    Car    Pickup    Sport utility  Single-vehicle    807    397         344  Multiple-vehicle  1137  465    400 Calculate the degrees of freedom. d.f =  Find the critical value. What is the correct rejection​ region?   Calculate the test statistic x2 =

MATLAB: An Introduction with Applications
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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You work for an insurance company and are studying the relationship between types of crashes and the vehicles involved. As part of your​ study, you randomly select 3550 vehicle crashes and organize the resulting data as shown in the contigency table. At a = 0.01                                                                 

 Type of crash    Car    Pickup    Sport utility
 Single-vehicle    807    397         344
 Multiple-vehicle  1137  465    400

Calculate the degrees of freedom. d.f = 
Find the critical value.
What is the correct rejection​ region?
 
Calculate the test statistic x2 =

 

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