WHAT IS SIX SIGMA? Before you begin getting into the details of Six Sigma one of the first word of advice for any six sigma novice by Six Sigma Master Black Belt John Vandenbemden – “Don’t bite off more than you can chew, and really understand the methodology before attempting large Six Sigma projects.” About Six Sigma You may see people around you wanting to learn six sigma just because it is trending. Well…
Continue readingLean Six Sigma For Everyone (By Professor Manohar V Dansingani, B.Com(Hons.), DBF, ACMA, CSCA, CSSBBP, MCSI) Introduction To Lean Six Sigma “From the moment they wake, they devote themselves to the perfection of whatever they pursue. I have never seen such discipline.” Captain Nathan Algren, describing the Japanese in the movie, The Last Samurai. QUALITY Difficult to define, but its presence (absence) is easily felt, often with serious long-term implications. Can all of us use…
Continue readingTo being Competitive is a process of gradual up-gradation with Innovative Spirit In order to be a Manufacturing competitive there is need of special techniques and mechanism to revamp manufacturing capability. It consist of Quality Management Standards (QMS) and Quality Technology Tools (QTT) that pertains to a manufacturing growth and capability. World over,MSMEs are recognized as important constituent of national economies, employment expansion and poverty alleviation. Recognizing the importance of MSMEs, it forms a important…
Continue readingNow see various statistical techniques to be used in mathematical modelling were told. These techniques were used to model aircraft variability model. The Aim was to give an idea, one can develop a mathematical model according to a given scenario. There are number of problems which can not be modelled by simple statistical/mathematical techniques or it is very difficult to model by these techniques. Beauty of a model lies, not in its complexity but in…
Continue readingStatistical Process Control(SPC): Knowledge Capsule…If you refer any book on Quality, it is defined as “fitness to use” or “variablity reduction”. Walter Shewhart in 1924 developed a tool named as Control chart and withing years it is used extensively as a prominent Quality tool in manufacturing companies. Control chart is an application of SPC which a quality control method. Every product goes to lot of processes and it is important to keep process under control…
Continue readingDistinguish between Design structure and Treatment structure Introduction i. There is a great deal of diversity in studies and it is very useful to categorize them in a variety of ways. The design structure is basically the physical layout of the study. For example, if we compare two weightings of each of ten animals with those of twenty animals, in each case there are twenty data points but the design structure is different-and the analysis…
Continue readingVI. Analysis follows design Introduction i. It is not always clear what analysis is to be carried out on the data. One of the key considerations is to determine how the randomization was done since it provides the basis for the tests of significance and other inferential procedures. Rule of Thumb i. The analysis should follow design. Illustration i. Consider the two following designs assessing the effects of pollution and exercise on…
Continue readingAgricultural Statistics Livestock Statistics i. The livestock census conducted quinquennially by the DES constitutes the principal source of data on livestock and poultry populations and their composition. ii. The responsibility for collecting data for the livestock census rests with the State Governments. In rural areas, the data are collected by the normal revenue agencies, if such agencies exist. In places where there are no revenue agencies, village chowkidars, school teachers or panchayat employees…
Continue readingPhase III Trials Consideration in Planning v. Treatment Allocation Ratio. Equal allocation of patients to both the two treatments is a common practice. However, it may be appropriate to allot patients randomly in the ratio of 60:40 or 67:33 (2:1) when comparing a new treatment with an old one or when treatment is much more difficult or expensive to supervise. The chance of detecting the real difference between the two treatments is not reduced…
Continue readingPhase III Trials The basis of phase III trials can be found in the well-known joke about the famous biostatistician, when asked how his wife was, replied, “Compared to whom?” In medicine field, the question might be, for example, how effective is BCG (an immunotherapy) as a cancer treatment? Compared to what? The Placebo, Chemotherapy, or any other immunotherapy? At what amount of dose, and for what kind and type of cancer? Phase III clinical…
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