Comparing current data to historical control limits leads to conclusions about whether the process variation is consistent (in control) or is unpredictable (out of control, affected by special causes of variation).ĭesign of experiments (DOE): A method for carrying out carefully planned experiments on a process. Use the following tools to collect or analyze data:īox and whisker plot: A tool used to display and analyze multiple sets of variation data on a single graph.Ĭheck sheet: A generic tool that can be adapted for a wide variety of purposes, the check sheet is a structured, prepared form for collecting and analyzing data.Ĭontrol chart: A graph used to study how a process changes over time. Data Analysis Tools, Charts, and Diagrams

Various programs and methodologies have been developed for use in nearly any industry, ranging from manufacturing and quality assurance to research groups and data collection companies. Quality Glossary Definition: Data collection and analysis toolsĭata collection and analysis tools are defined as a series of charts, maps, and diagrams designed to collect, interpret, and present data for a wide range of applications and industries.

Name any two tools for data analysis