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Leptokurtic Distribution

Imagine peering into a dataset and noticing something intriguing: the values cluster tightly around the mean, with a sharp peak and heavy tails stretching far into the extremes. This is the hallmark of a leptokurtic distribution, a statistical phenomenon that signals...

Heijunka

What is Heijunka? Heijunka is a Lean technique for reducing unevenness and minimizing the risk of overburdening in production processes. Heijunka is a Japanese term that literally means leveling. You can use it to react to changes in demand and maximize your capacity....

Certificate of Conformity (COC)

A certificate of conformity represents an official document declaring that a product complies with specific standards, regulations, or technical requirements. Furthermore, this document serves as legal proof that manufacturers have tested their products and verified...

House of Quality

What is a House of Quality (HQ)? The QFD House of Quality (HOQ) tool is an analysis of customer voice. You can decide which product specifications are most important by analyzing multiple factors such as competitor research and customer needs. How to Use the House of...

Natural Variation

In the world of business, variability is a constant. Whether you’re a startup founder, a seasoned entrepreneur, or a corporate executive, you’re likely no stranger to the concept of “natural variation.” But what exactly is natural variation in...