Attribute Data vs Variable Data / Discrete Data vs Continuous Data

Introduction  - Measurement System Analysis  study and Control chart selection decided based on collected data i.e attribute data (Discrete) or Variable data (Continuous).  - This plays major role in problem solving process. Attribute Data  - It is a qu…

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Scatter Diagram in 7 QC Tools

Introduction  - Scatter diagram is one of the tool in & QC tools and used to find the correlation between 2 variables.  - It is also used to find the cause and effect relationship between two variables.  - Scatter diagram is a graph in which two variables…

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Pareto Chart in 7 QC Tools

Introduction  - The Pareto Chart is one of the tool in 7 basic tools of quality management.  - Pareto chart is a chart that contains bar and line graph which is also known as Pareto diagram or Pareto analysis.  - Bar graph shows number of defects in descendi…

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Important Mechanical Interview Questions and Answers Part 1

Important Mechanical Interview Questions and Answers Hello Friends, I've collected some interview questions based on my experience in mechanical field. I have some Technical, Tricky and Logical questions. Whether you are fresher or experienced, this question…

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Different Types of Errors in Measurement

What is error?  - Error is defined as difference between the true value and the measured value.  - True value is the average of the infinite numbers of measurements where measured value is the precise value.  - Measurement of any quantity is done by comparin…

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Cost of Quality vs Cost of Poor Quality

What is Cost of Quality (COQ)?  - COQ is the cost of achieving quality products including resources cost, maintenance cost etc.  - COQ = It is the sum of Cost of Good Quality and Cost of Poor Quality  - COQ is a methodology used to define and measure what amoun…

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DMAIC vs DMEDI in Six Sigma

DMAIC  - DMAIC refers to Define, Measure, Analyze, Improve, Control.  - It is an analytical, data-driven approach used to reduce waste and improve the existing process, products and service to meet customer requirements.  - It focus on incremental improv…

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