A nurse orientation program director is examining data about nurses in their first year of practice at her hospital. Use the table below to answer the following question.
$\begin{array}{|l|l|l|}
\hline \begin{array}{l}
\text { Number of months of } \
\text { experience }
\end{array} & \begin{array}{l}
\text { Number of medication errors } \
\text { made }
\end{array} & \begin{array}{l}
\text { Cumulative Frequency of } \
\text { Medication Errors }
\end{array} \
\hline 1-3 & 6 & 6 \
\hline 4-6 & 17 & 23 \
\hline 7-9 & 12 & 35 \
\hline 10-12 & 10 & 45 \
\hline
\end{array}$ What percentage of the medication errors were made in the first nine months of practice?
A) 77.8%
B) 26.7%
C) 35.0%
D) 34.3%

Question

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The Answer is A

A Nurse Orientation Program Director Is Examining Data About Nurses