To create a Box plot, Take the following steps
Step1: Arrange the data in ascending order that is from the smallest to the largest

Step2: Find the median of the data
The median is the middle number after the arrangement
Hence for the data above the median is

Step3: Find the Quartiles
The first quartile is

The Third Quartile is

Step4: Take a scale that fit all the set of Data
Step5: Dra a box through Q1 and Q2 and a line passing through the median