Control chart has to be done on paper and not in excel !

Problem 4 A company makes custom shirts for cowboys. The shirts could be flawed in various ways, including flaws in the weave or color of the fabric, loose buttons or decorations, wrong dimensions, and uneven stiches. Twenty (20) shirts were randomly examined, with the following results. Construct an appropriate control chart for this process using 3-sigma control limits. Plot the data and determine whether the process is in control