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Mean Time Between Failure – MTBF

Mean Time Between Failure (MTBF) is the average of the operating time of an equipment or machine, between two failures incidences, observed for a particular time period.  The observed Time period may be a week, a month, a year etc. MTBF metrics helps us with...

Flow Chart – 7QC Tools

Flow Chart is a diagram that uses graphic symbols to depict the nature and flow of the steps involved in a process. It is used to understand various processes involved and the sequence of execution of the process. If you are new to a process and you need come clarity...

Scatter diagram – 7QC Tools

Scatter diagram - 7QC Tools Scatter diagram is a tool for analyzing relationships between two variables. In the two variables chosen one variable is plotted on the horizontal axis and the other variable is plotted on the vertical axis. The pattern of their...

Pareto Chart – 7QC Tools

Pareto Chart - 7QC Tools Pareto principle is a prediction that 80% of effects come from 20% of causes. This is simply known as 80-20 principle. The Pareto Principle helps you realize the fact that the majority of results are and outcome from a minority of inputs. In...

Histogram – 7 QC Tools

Histogram - 7 QC Tools Histogram is a bar graph which shows the distribution of data. It shows the snap shot of the data taken from a process. The Purpose of Histogram is to Summarize large data sets graphically Compare measurements to specifications Assist in...

Control charts – 7QC Tools

Control charts - 7QC Tools Control charts are tools used to determine if a manufacturing or business process is in a state of statistical control. It is a line Graph used to monitor the process variation and helps understand how a process changes over time. By...

Check sheet or Tally Sheet- 7QC Tools

Check sheet - 7QC Tools Check sheet is a type of document for organizing and collecting data in a real-time process. The data is collected in the Gemba where the data is generated. Data are observations, facts, events and opinions. The data we collected can either...

Cause and Effect Diagram – 7 QC Tools

Cause and Effect Diagram - 7 QC Tools Cause and Effect Diagram is also known as Ishikawa diagrams,  fishbone diagrams, herringbone diagrams and Fishikawa Diagram. Cause & Effect Diagram which was introduced by Kaoru Ishikawa helps to identify many possible causes...

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