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java.lang.Objectorg.statcato.statistics.inferential.ConfidenceInterval
org.statcato.statistics.inferential.CIOnePopMeanSigmaUnknown
public class CIOnePopMeanSigmaUnknown
Confidence interval class for one population mean, sigma (population standard deviation) unknown.
Field Summary |
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Fields inherited from class org.statcato.statistics.inferential.ConfidenceInterval |
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center, confidenceLevel |
Constructor Summary | |
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CIOnePopMeanSigmaUnknown(double confidenceLevel,
int n,
double mean,
double s)
Constructor. |
Method Summary | |
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double |
criticalValue()
Returns the critical value corresponding to the given confidence level. |
double |
getN()
Returns the sample size. |
double |
getStdev()
Returns the sample standard deviation. |
double |
marginOfError()
Returns the margin of error. |
Methods inherited from class org.statcato.statistics.inferential.ConfidenceInterval |
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center, lowerLimit, toString, upperLimit |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public CIOnePopMeanSigmaUnknown(double confidenceLevel, int n, double mean, double s)
confidenceLevel
- confidence level, between 0 and 1n
- sample sizemean
- sample means
- sample standard deviationMethod Detail |
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public double marginOfError()
marginOfError
in class ConfidenceInterval
public double criticalValue()
criticalValue
in class ConfidenceInterval
public double getStdev()
public double getN()
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