statistics-module
It has function to calculate statistics of a single dimensional array
stat.sum(array)
stat.min(array)
stat.max(array)
stat.product(array)
stat.mean(array)
stat.geometricMean(array)
stat.harmonicMean(array)
stat.median(array)
stat.mode(array)
stat.variance(array)
stat.standardDeviation(array)
stat.meanAbsoluteDeviation(array)
stat.medianAbsoluteDeviation(array)
stat.quantile(array, order); //order is the order of the quartile, if not passed it will be 4 i.e quartile