def METHOD_NAME(self):
    ret = ""
    ret += "Single variable stats:\n"
    ret += "count= %d\n" % self.count()
    ret += "min: %g max: %g range: %g\n" % (self.minx(),self.maxx(),self.rangex())
    ret += "sum: %g  sum of squares:  %g \n" % (self.sumx(), self.sumxx())
    ret += "average: %g\n" % (self.average())
    ret += "variance: %g  stddev: %g\n" % (self.variance(),self.stddev())
    return ret