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is there only these 3 types of std, like 1,2, 3
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done, best course
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Done
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ok

Done
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ok

DONE
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ok

If SD=1 it covers 68%, if SD=2 it covers 95% of data and if SD=3 then we can say 99.7% has been covered.
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I learned normal distribution (Gaussian distribution) and standard deviation.
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I learned normal distribution (Gaussian distribution) and standard deviation.
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Done
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done
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ok
good