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Example:
Evaluation the preceding expression yields:
0.010645    0.075000
2
Finding the square root of each part (before
rounding), then rounding to two decimal places,
yields this 95% confidence interval estimate of
the population standard deviation:
0.10 volt    0.27 volt.
Based on this result, we have 95% confidence
that the limits of 0.10 volt and 0.27 volt contain
the true value of .
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