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. $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Age Group }$
$\begin{array}{c}
\begin{array}{c}
\text{Number of} \
\text{accidents in} \
\text{past 3 years}
\end{array}
\begin{array}{|c|c|c|c|c|}
\hline
& \text { Under 25 } & 25-45 & \text { Over 45 } & \text { Total } \
\hline 0 & 74 & 90 & 84 & 248 \
\hline 1 & 19 & 8 & 12 & 39 \
\hline1 & 7 & 2 & 4 & 13 \
\hline \text { Total } & 100 & 100 & 100 & 300 \
\hline
\end{array}
\end{array}$

Question

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. $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Age Group }$
$\begin{array}{c}
\begin{array}{c}
\text{Number of} \
\text{accidents in} \
\text{past 3 years}
\end{array}
\begin{array}{|c|c|c|c|c|}
\hline
& \text { Under 25 } & 25-45 & \text { Over 45 } & \text { Total } \
\hline 0 & 74 & 90 & 84 & 248 \
\hline 1 & 19 & 8 & 12 & 39 \
\hline>1 & 7 & 2 & 4 & 13 \
\hline \text { Total } & 100 & 100 & 100 & 300 \
\hline
\end{array}
\end{array}$

Quizplus · Accepted Answer

The null hypothesis (H0) states that the number of accidents and age group are independent, while the alternative hypothesis (HA) states that they are not independent.

A Car Insurance Company Performed a Study to Determine Whether Age Group \quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Age Group } Age Group

A Car Insurance Company Performed a Study to Determine Whether $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Age Group }$