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14
CH3041
STANDARD DEVIATION
• 68% of the response is within 1s
of the LD50 – why?
of the LD50 – why?
• You will recall
from Prac 1 that
with a Gaussian
distribution 68%
of the population is
distributed around
the mean within 1s.
with a Gaussian
distribution 68%
of the population is
distributed around
the mean within 1s.
• We usually use
95%
confidence limits
which given a large
enough population is
within 2s of the mean.
confidence limits
which given a large
enough population is
within 2s of the mean.
