A Car Insurance Company Performed a Study to Determine Whether

question 26

Multiple Choice

A car insurance company performed a study to determine whether an association exists between age and the frequency of car accidents.They obtained the following sample data.Use a 5% level of significance. $$\begin{array}{l}\begin{array} { | l | l | l | l | l | } &&Age Group\\\hline && Under 25 & 25 - 45 & Over 45 & Total \\\hline Number of&0 & 74 & 90 & 82 & 246 \\\hline accidents in&1 & 19 & 8 & 12 & 39 \\\hline past 3 years&> 1 & 7 & 2 & 6 & 15 \\\hline &Total & 100 & 100 & 100 & 300 \\\hline\end{array}\end{array}$$ $x ^ { 2 }$ = 9.13; P-value = 0.0579

• A)Do not reject the null hypothesis.One can conclude that there is a relationship between age and number of accidents.
• B)Do not reject the null hypothesis.The data do not provide sufficient evidence to conclude that the number of accidents is distributed uniformly for each age group.
• C)Reject the null hypothesis.One cannot conclude that there is a relationship between age and number of accidents.
• D)Do not reject the null hypothesis.The data do not provide sufficient evidence to conclude that there is an association between age and frequency of car accidents.
• E)Reject the null hypothesis.One can conclude that there is a relationship between age and number of accidents.

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Definitions:

High-pitched Voice

A voice that has a high frequency, often perceived as shrill or squeaky.

Broca's Area

An area situated in the dominant hemisphere's frontal lobe, associated with the production of speech.

Wernicke's Area

A region of the brain associated with the comprehension of language, located in the posterior section of the superior temporal gyrus in the dominant hemisphere.

Language Comprehension

The ability to understand spoken, written, or signed language.