Check Sheets are a data collection tool that usually identifies where and how often problems appear in a product or service. It’s specifically designed for the kind of process being investigated. Both variable and attribute data can be recorded on a checksheet.
Just list the type of non-conformance, tally the number of times it happens, and sum the total. Very easy to turn into a Pareto chart.
Used for measured data.
Used for attribute or counted information.
Commonly used to record location data. Shows problems on a geographic area. Ex. a big red x on the engine area on a car image given to you by AAA to show you need to change your oil.
Also see Problem Identification.
Check Sheet Video
Six Sigma Black Belt Certification Check Sheet Questions:
Question: Which of the following tools would be most appropriate for collecting data to study the symptoms of a problem? (Taken from ASQ sample Black Belt exam.)
Answer:(A) Check sheet. The check sheet looks at data. The others look at process.