Category: Business
What Is the 820 Rule? FDA 21 CFR 820, the 80/20 Pareto Principle, and the 8/20 Trading Signal
The '820 rule' isn’t one thing. It can mean FDA 21 CFR 820 (medical devices), the 80/20 Pareto principle, or the 8/20 moving average in trading. Here’s the difference and how to use each.
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