Answer: RUBP Regeneration refers to the cyclical process where the photosynthetic enzyme Rubisco fixes carbon dioxide into the sugars that fuel plant growth and productivity. Only one-sixth of the PGA carbon is converted to sugar—the rest of the carbon is used to recycle RuBP as the cycle continues.
If a set of data is highly precise, it generally "indicates that the data must have a high level of accuracy" although there can be other crucial factors affecting the data as well.