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Confidence Intervals
for one Observed value
For help go to SISA

THIS PROCEDURE IS NOW MOBILE FRIENDLY

Give at least a mean.
A positive decimal numbers larger than zero.

Mean:
Number of cases: *
Standard deviation: *
Width of C.I.: %

* Optional input, not required.




One mean.
This procedure constructs confidence
intervals around a single mean, be it a
binomial proportion, a poisson count or
a normally distributed mean or average.
The alpha or error one level can be set
to any value you want. Including exact
and approximate estimates.