Confidence Interval

# Confidence Interval - accurate estimate of the unknown...

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Confidence Interval 80% confidence Interval (60.82 to 139.18) 95% Confidence Interval (39.10 to 160.90) 99 % Confidence Interval (18.34 to 181.66) The margin of error increases when you increase the degree of confidence.

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Population Variance The denominator is always (n-1) to obtain a more
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Unformatted text preview: accurate estimate of the unknown population standard deviation. However in case you are computing the standard deviation of a population directly because the population is very small then you divide by n....
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## This note was uploaded on 05/17/2011 for the course ALGEBRA 098 taught by Professor Johnson during the Spring '09 term at Grand Valley State.

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Confidence Interval - accurate estimate of the unknown...

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