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Pooled Standard Deviation

In statistics, pooled standard deviation, is a fundamental concept used to measure the dispersion or variability of data points within a dataset. It provides valuable insights into how individual data points relate to the overall data set. When you’re working...

Kaikaku

Both Kaikaku (Japanese production philosophy) and Kaizen (Japanese production philosophy) are concepts that have their origins in the Toyota Production System. We will not go into detail about Kaizen Blitz, Kaizen Events, or Kaizen Blitz, as they are...

Harada Method

The Harada Method is a management and self-development approach developed by Japanese author and management consultant Takashi Harada. It focuses on personal responsibility, goal setting, and self-management within organizations. The method is often used in business...

GRPI Model

Businesses can perform better with effective teams. It’s something that everyone knows instinctively, but cannot articulate. The GRPI model is popular and can be explained to both team members and managers. Let’s look into it in more detail....

X-Bar

What is an X-Bar? In statistics, an X-bar (also written as x̄) represents the mean or average of a set of values. It is a measure of central tendency, specifically the arithmetic mean, which is calculated by adding up all the values in a dataset and then dividing the...