A Researcher Performed a Study to Determine Whether an Association $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Blood Type }$

question 19

Essay

A researcher performed a study to determine whether an association exists between gender and blood type.He obtained the following sample data. $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Blood Type }$
$\begin{array}{c}Sex&\begin{array}{|l|c|c|c|c|c|}\hline & \mathrm{A} & \mathrm{O} & \mathrm{B} & \mathrm{AB} & \text { Total } \\\hline \text { Female } & 115 & 141 & 27 & 13 & 296 \\\hline \text { Male } & 86 & 91 & 26 & 9 & 212 \\\hline \text { Total } & 201 & 232 & 53 & 22 & 508 \\\hline\end{array}\end{array}$ Does the data provide sufficient evidence to conclude that an association exists between gender and blood type? Use a 5% level of significance.

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