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Name: Lin Chi-Ling works for an insurance company and is studying the relati
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Description: Lin Chi-Ling works for an insurance company and is studying the relationship between types of crashes and the vehicles involved in passenger vehicle occupant deaths. As part of your study, you randomly select 4270 vehicle crashes and organize the res

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2AGP

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Lin Chi-Ling works for an insurance company and is studying the relationship between types of crashes and the vehicles involved in passenger vehicle occupant deaths. As part of your study, you randomly select 4270 vehicle crashes and organize the resulting data as shown in the contingency table. At α = 0.05 can you conclude that the type of crash depends on the type of vehicle?

	Vehicle
Type of crash	Car	Pickup	Sport utility
Single-vehicle	1237	547	479
Multiple-vehicle	1453	307	247

What is the Chi-square test statistics and the decision for this question.

The Test statistics is . Leave answers in 3 decimal places.

DECISION: We the null hypothesis.

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