visual management

China Slowing Growth

China’s Slowing Growth

China’s growth at the weakest for 30 years, but exports back at pre-virus level   China’s Slowing Growth   China’s economy is set for a 2.2% raise this year; the weakest growth in almost 30 years. Although China (some may say has) emerged from the coronavirus pandemic in better shape than many. The recovery has, […]

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Sample Testing When We Don't Know The Population Standard Deviation

Sample testing when we don’t know the Population Standard Deviation

Sample Testing When We Don’t Know The Population Standard Deviation Its all well and good sample testing when we know the population standard deviation. But what about if we don’t have the ability to get production data, or we just have a small sample size? How to conduct sample testing when we don’t know the

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