Nowadays modern industries must achieve a good control level in their process to be successful with their workforce. The achievement of this goal is relevant for the business competitiveness as well as the satisfaction of the customer needs that become more demanding every day, and demand a greater quality in the products or required services. It excels the industries to take measures in their workforce, even in the design of their process to adapt to the customer requirements and not taking the risk to be off the market. One of the tools to improve the quality of a process is the process capability analysis, which consists of quantifying process variability. This tool is used generally in the process variability analysis with respect to the requirements or specifications of the product, helping the developing and manufacturing staff to eliminate or reduce this variability in a great extent.