The employees in an insurance company's mailroom are responsible for sorting and delivering the incoming U.S. mail to the correct departments. These employees have been receiving numerous complaints that mail is being delivering to the wrong departments. To better understand these complaints, the mailroom employees recorded the number of these complaints they received each day for the last 20 working days Monday through Friday for the last 4 weeks). The data, in the order of the last 20 working days, is given below.
$\begin{array}{lr|ll|ll|l}
\underline{\text { Week } 1}&&\underline{\text { Week } 2}&&\underline{\text { Week } 3}&&\underline{\text { Week } 4}\
\text { Monday } & 13 & \text { Monday } & 12 & \text { Monday } & 12 & \text { Monday } &12\
\text { Tuesday } & 5 & \text { Tuesday } & 6 & \text { Tuesday } & 5 & \text { Tuesday }&4 \
\text { Wednesday } & 14 & \text { Wednesday } & 12 & \text { Wednesday } & 12 & \text { Wednesday }&9 \
\text { Thursday } & 11 & \text { Thursday } & 11 & \text { Thursday } & 9 & \text { Thursday }&15 \
\text { Friday } & 9 & \text { Friday } & 15 & \text { Friday } & 10 & \text { Friday }&9
\end{array}$
Plot these data on a run chart. What conclusion can you make about the number of complaints received over the last 4 weeks?

Question

The employees in an insurance company's mailroom are responsible for sorting and delivering the incoming U.S. mail to the correct departments. These employees have been receiving numerous complaints that mail is being delivering to the wrong departments. To better understand these complaints, the mailroom employees recorded the number of these complaints they received each day for the last 20 working days Monday through Friday for the last 4 weeks). The data, in the order of the last 20 working days, is given below.
 $\begin{array}{lr|ll|ll|l}
\underline{\text { Week } 1}&&\underline{\text { Week } 2}&&\underline{\text { Week } 3}&&\underline{\text { Week } 4}\
\text { Monday } & 13 & \text { Monday } & 12 & \text { Monday } & 12 & \text { Monday } &12\
\text { Tuesday } & 5 & \text { Tuesday } & 6 & \text { Tuesday } & 5 & \text { Tuesday }&4 \
\text { Wednesday } & 14 & \text { Wednesday } & 12 & \text { Wednesday } & 12 & \text { Wednesday }&9 \
\text { Thursday } & 11 & \text { Thursday } & 11 & \text { Thursday } & 9 & \text { Thursday }&15 \
\text { Friday } & 9 & \text { Friday } & 15 & \text { Friday } & 10 & \text { Friday }&9
\end{array}$ 
Plot these data on a run chart. What conclusion can you make about the number of complaints received over the last 4 weeks?

Quizplus · Accepted Answer

The Answer of The employees in an insurance company's mailroom are responsible for sorting and delivering the incoming U.S. mail to the correct departments. These employees have been receiving numerous complaints that mail is being delivering to the wrong departments. To better understand these complaints, the mailroom employees recorded the number of these complaints they received each day for the last 20 working days Monday through Friday for the last 4 weeks). The data, in the order of the last 20 working days, is given below.
 $\begin{array}{lr|ll|ll|l}
\underline{\text { Week } 1}&&\underline{\text { Week } 2}&&\underline{\text { Week } 3}&&\underline{\text { Week } 4}\
\text { Monday } & 13 & \text { Monday } & 12 & \text { Monday } & 12 & \text { Monday } &12\
\text { Tuesday } & 5 & \text { Tuesday } & 6 & \text { Tuesday } & 5 & \text { Tuesday }&4 \
\text { Wednesday } & 14 & \text { Wednesday } & 12 & \text { Wednesday } & 12 & \text { Wednesday }&9 \
\text { Thursday } & 11 & \text { Thursday } & 11 & \text { Thursday } & 9 & \text { Thursday }&15 \
\text { Friday } & 9 & \text { Friday } & 15 & \text { Friday } & 10 & \text { Friday }&9
\end{array}$ 
Plot these data on a run chart. What conclusion can you make about the number of complaints received over the last 4 weeks?

The Employees in an Insurance Company's Mailroom Are Responsible for Sorting