The correct answer is Statistical
Techniques widely used in quality that include data collection, tabulation, presentation, analysis, interpretation and conclusion, including better knowledge of requirements, expectations and customer satisfaction, in addition to competitor data.
Statistics is the branch of Mathematics responsible for research methods and techniques involving experiments, data collection, processing, graphic representations, analysis and dissemination of information.
The increasing improvement and development of statistics throughout history has always aimed at improving the processes of obtaining and collecting information, allowing the proper study of various phenomena, facts, events and occurrences in the different areas of human knowledge. Therefore, the main objective of statistics is to provide tools that, when used, allow us to deal with situations subject to uncertainty.