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erm what the sigma

erm what the sigma | The term "sigma" is used in statistical sciences; 1-sigma refers to 68% certainty, 2-sigma refers to 95% certainty, and 3-sigma refers to 99.7% certainty | image tagged in extremely lazy announcement temp | made w/ Imgflip meme maker
92 views • 4 upvotes • Made by pum. 4 months ago in Mathematics
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2 Comments
Strobus
0 ups, 3mo,
1 reply
no, sigma is the symbol for population standard deviation, what you described is the empirical rule
pum.
0 ups, 3mo
oh ok
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The term "sigma" is used in statistical sciences; 1-sigma refers to 68% certainty, 2-sigma refers to 95% certainty, and 3-sigma refers to 99.7% certainty