The reason is that in a group, individual errors on either side of the true figure cancel each other out.
Michael ShermerQuotes currently Trending
My favorite “trick” is to stop writing at a point where I know that I can pick up easily the next day. I’ll stop in mid-paragraph, often in midsentence. It makes getting out of bed so much easier, because I know that all I’ll have to do to be productive is complete the sentence. And by then I’ll be seated at my desk, coffee and Oreo cookie at hand, the morning’s inertia overcome. There’s an added advantage: The human brain hates incomplete sentences. All night my mind will have secretly...
Erik Larson