def get_bounds(self, bin_num):
        """Get the bonds of a bin, given its index `bin_num`.

        :returns: a `Bounds` namedtuple with properties min and max
            respectively.
        """
        min_bound = (self.bin_size * bin_num) + self.min_value
        max_bound = min_bound + self.bin_size
        return self.Bounds(min_bound, max_bound)