basic 3 min read
Most important aspects of external protection against the effects of lightning
Analysis of the lightning risk Analysis of the lightning risk takes numerous factors into consideration. This article will shed the…
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basic 3 min read
Earthing material
Earth electrodes (under ground) and earthing conductors (above ground) must conform to specific minimum dimensions regarding mechanical stability and possible…
Quality Management 3 min read
Non-Probability Sampling
In any form of research, true random sampling is always difficult to achieve. Most researchers are bounded by time, money and workforce…
Quality Management 13 min read
Probability based sampling
A probability sampling method is any method of sampling that utilizes some form of random selection. In order to have a random selection…
Quality Management 3 min read
Defining Statistical Quality Control
The control chart is a graph used to study how a process changes over time. Data are plotted in time…
Quality Management 4 min read
Control charts
Control charts have long been used in manufacturing, stock trading algorithms, and process improvement methodologies like Six Sigma and Total…
Quality Management 6 min read
Scatter Diagram
Scatter Diagram or correlation diagram is a tool to describe changes in a dependent variable in relation to any change…
Quality Management 7 min read
CAUSE EFFECT DIAGRM IN INDUSTRY
Definition of Cause & Effect Diagram The cause & effect diagram is the brainchild of Kaoru Ishikawa, who pioneered quality…
Quality Management 4 min read
Pareto Chart
The Pareto chart is a quality improvement tool that is based upon the Pareto principle, the principle that 80% of an…
Quality Management 4 min read
Drawing a histogram
A histogram is a graphical tool used to visualize data that can be produced with histogram software such as Quality America’s…