Method populationStandardDeviation

output/java_guava/1.4.16/Stats.java:262–264

Returns the population standard deviation of the values. The count must be non-zero. This is guaranteed to return zero if the the dataset contains only exactly one finite value. It is not guaranteed to

()

  public double populationStandardDeviation() {
           return Math.sqrt(populationVariance());
         }

  /**
   * Returns the <a href="http://en.wikipedia.org/wiki/Variance#Sample_variance">unbaised sample