The number of vehicles passing through a bank drive -up line during each 15-minute period was recorded. The results are shown below. Find the median number of vehicles going through the line in a 15-minute period. $$\begin{array} { l l l l }
25 & 27 & 25 & 28 \
28 & 25 & 30 & 27 \
35 & 31 & 31 & 29 \
24 & 31 & 25 & 20 \
15 & 27 & 27 & 27
\end{array}$$
A) 26.85 vehicles
B) 27 vehicles
C) 28 vehicles
D) 31 vehicles

Question

The number of vehicles passing through a bank drive -up line during each 15-minute period was recorded. The results are shown below. Find the median number of vehicles going through the line in a 15-minute period. $$\begin{array} { l l l l } 
25 & 27 & 25 & 28 \
28 & 25 & 30 & 27 \
35 & 31 & 31 & 29 \
24 & 31 & 25 & 20 \
15 & 27 & 27 & 27
\end{array}$$
A) 26.85 vehicles
B) 27 vehicles
C) 28 vehicles
D) 31 vehicles

Quizplus · Accepted Answer

To find the median, we need to first arrange the data in numerical order:

15, 20, 24, 25, 25, 25, 27, 27, 27, 27, 28, 28, 29, 30, 31, 31, 35

There are 17 data points, so the median is the average of the middle two values: 27 and 28. Therefore, the median number of vehicles going through the line in a 15-minute period is 27.

The Number of Vehicles Passing Through a Bank Drive -Up 2527252828253027353131292431252015272727\begin{array} { l l l l } 25 & 27 & 25 & 28 \\28 & 25 & 30 & 27 \\35 & 31 & 31 & 29 \\24 & 31 & 25 & 20 \\15 & 27 & 27 & 27\end{array}2528352415​2725313127​2530312527​2827292027​

The Number of Vehicles Passing Through a Bank Drive -Up $\begin{array} { l l l l } 25 & 27 & 25 & 28 \\28 & 25 & 30 & 27 \\35 & 31 & 31 & 29 \\24 & 31 & 25 & 20 \\15 & 27 & 27 & 27\end{array}$