A Random Sample of 160 Car Accidents Are Selected and Categorized

question 30

Multiple Choice

A random sample of 160 car accidents are selected and categorized by the age of the driver determined to be at fault. The results are listed below. The age distribution of drivers for the given categories is $18 \%$ for the under 26 group, $39 \%$ for the 26-45 group, $31 \%$ for the $45 - 65$ group, and $12 \%$ for the group over 65 . Calculate the chi-square test statistic $\chi ^ { 2 }$ used to test the claim that all ages have crash rates proportional to their driving rates.

$\begin{array}{l|cccc}\text { Age } & \text { Under 26 } & 26-45 & 46-65 & \text { Over } 65 \\\hline \text { Drivers } & 66 & 39 & 25 & 30\end{array}$

• A) 85.123
• B) 95.431
• C) 75.101
• D) 101.324

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Definitions:

Assertiveness

The quality of being self-assured and confident without being aggressive, in the expression of one's desires or rights.

Avoiding

A conflict management strategy where individuals ignore or stay away from confrontation.

Problem-Solving

Problem-solving involves identifying, assessing, and resolving issues through logical and creative approaches.

Interpersonal Style

Relates to the manner in which individuals interact with others, encompassing communication methods, behavior, and emotional expression in social contexts.