FMEA

FMEA Throughout history, mankind has been set back by failures and its effects. Whether it has been the sinking of the Titanic or the Bhopal Gas Leak or the British Petroleum Gulf Oil Spill in the United States, the effects...[ read more ]

Various Steps in FMEA

Various Steps in FMEA Business is often affected by problems, issues and defects which lead to loss in both financial terms and credibility for the business organizations. Hence, companies analyze the potential risks that may affect it in future to...[ read more ]

DFMEA

DFMEA DFMEA is a very dynamic tool which can be used to evaluate potential risks for a product which does not even exists. Sounds impossible? No it’s actually not. What I mean here is about a product which is still...[ read more ]

Importance of Criticality in FMECA

Importance of Criticality in FMECA FMECA or Failure Modes, Effects and Criticality Analysis are a variant of FMEA which is generally used to identify the potential failure modes of very critical projects. FMECA is a highly disciplined method of assessing...[ read more ]

Parameters for Hypothesis Testing

Parameters Hypothesis Testing In the Analyze stage of a Six Sigma DMAIC project, Hypothesis Testing is done to statistically validate if our alternate assumption is correct or null hypothesis is correct. Alternate hypothesis involves statistically validating if there is difference...[ read more ]

Mean based Hypothesis Testing

Mean based Hypothesis Testing Mean or as it is commonly known as “Average” represents the center of a given set of numerical numbers. Mean is considered to be a very powerful way of representing data in statistical way. It helps...[ read more ]

Median based Hypothesis Testing

Median based Hypothesis Testing Apart from Mean, another way to present data in a statistical way is Median. It represents the 50th percentile of the available numeric data. Median helps in presenting a good idea of the central tendency as...[ read more ]

Proportion Based Hypothesis Testing

Proportion Based Hypothesis Testing Proportion is a representation of a ratio in which numerator value is part of the denominator. In another words, we can say that it is presentation of a part of percentage out of the total sum....[ read more ]

Ppk : Lesser known sibling of Cpk

Ppk : Lesser known sibling of Cpk Cpk and Ppk are indices for measurement of process capability while Cpk is measure of Potential process capability i.e. how well your process can perform under best conditions Ppk is indices of actual...[ read more ]

Variance based Hypothesis Testing

Variance based Hypothesis Testing Variation is present in everything that we do. Whether we like it or not, variation is present in all activities. Similarly, in business processes also, lots of variation is present. The problem arises when the variation...[ read more ]