Check or absence of a trait or

Check SheetsDefinitionChecksheets is a form or a document which is used to collect data in real time from where the data is generated. The data can be both quantitative as well as qualitative. When the data is quantitative, a checksheets can be referred as a tally sheet.There are five basic types of checksheets:1)      Classification: We fill in defects or failure into the categories.2)      Location: The representation of the defect is shown in a picture.3)      Frequency: It shows the presence or absence of a trait or a characteristic.4)      Measurement scale: It is divided into intervals and checked if it’s appropriate.5)      Checklist: It is the simplest and commonly used tool. The items are listed or tasks to be performed are listed and *checked* when done.PurposeTool for qualitative and quantitative data gathering and analysis.Systematically collect and organize data.Effective when collecting data frequency and identifying patterns.Appropriate when data is collected repeatedly by same person or the same locationProsSimple and easy way to represent  data.To identify the root cause of any  quality problem.An effective way to keep a track of quality.Easy to  define patterns of events, problem defects, problem location and the causes of defects.Used to document reasons for  interruptions in the quality of product.An easy way of collecting data which is frequent in nature.ConsOne of the simplest methods of defect detection, it comes with its short falls too.Cannot reveal any changes overtime.Possibility of checks not entered by data collector.Need to analyse several sheets arranged in chronological order to determine the trend.Misinterpreting the data due to different influencing conditions are present. Exampleshttp://www.sixsigmadaily.com/check-sheets-five-basic-types/http://asq.org/learn-about-quality/data-collection-analysis-tools/overview/check-sheet.html