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Hi folks! Today we will learn about the variance (σ2), Standard deviation (σ) and coefficient of variance. Objective of all the three terms is to determine the variation and to compare with different data set These tools are used in Six Sigma and other TQM initiatives. Let us understand with some examples. Suppose ABC is … Read more

Hi friends! Today we will discus about the 8 wastes of Lean. Many manufacturing industries practice this concept to become more competitive in the market and this concept also reduces Non – Value added activity (NVA). 8 Wastes of lean is listed below :- Transportation Inventory Motion Waiting Over-processing Over-production Defects Unutilized Talent Trasportation :- … Read more

Hi readers! Today we will discuss about the Defects, defectives, and DPMO. These words are mainly used in Six Sigma and other TQM initiatives.  Defects – An output of the process that does not meet a defined specification. Defectives – A product that contains at least one defect. DPMO – It stands for Defect Per … Read more

Hi folks. Today we will learn about Intermediate checks. This check helps us in maintaining accurate measurements of equipment in testing laboratory. As per ISO/IEC 17025 Intermediate checks is one of the fundamental checks to verify the equipment between calibrations. Many laboratories are practicing these intermediate checks to keep equipment in healthy state, in other … Read more

Hi readers ! today we will learn about Total Productive Maintenance(TPM). Policy and objectives To maximize overall equipment effectiveness (Zero breakdowns and failures, Zero accident, Zero defects etc) through total employee involvement. To improve equipment reliability and maintainability to contribute to quality and to raise productivity. What is TPM? Total Productive Maintenance (TPM) is both … Read more

Hi readers! Today we will discuss about Central tendency Like Mean, Median & Mode. Central tendency helps us to find out the central value or average value of a statistical series of quantitative information. Mean (average) = sum of the values/number of observations. 2  4  5  6  8               Mean = (2+4+5+6+8)/5= 25/5= 5.    Median– value … Read more

Hi friends! Today we will discuss about the Total Quality management & Its 8 principles.TQM can be defined as THE ART OF MANAGING AN ORGANISTION IN SUCH A MANNER THAT IT EXCELLENCES IN ALL THE AREAS OF PRODUCTS AND SERVICES THAT ARE ESSENTIAL TO THE CUSTOMERS. Goal Perfect and careful designing of the product or … Read more

Hi readers! Today we will learn about the Z score. How it is calculated in excel and its interpretation. If we want to define Z score in simple word then we can say How far is the observation from mean, in terms of standard deviation. So in this case we need to calculate the standard … Read more

Hi friends!   Today we will learn about the 7QC tools.  These tools are used to collect the information about the problem and hence one can easily identify the problem area. Application of these tools are widely used in manufacturing/ Services/ Medical/Telecom industry across the globe. Once the problem is identified then the root cause of … Read more