code: @Deprecated
    public static double mean(int... values) {
      checkArgument(values.length > 0, "Cannot take mean of 0 values");
      // The upper bound on the the length of an array and the bounds on the int values mean that, in
      // this case only, we can compute the sum as a long without risking overflow or loss of
      // precision. So we do that, as it's slightly quicker than the Knuth algorithm.
      long sum = 0;
      for (int index = 0; index < values.length; ++index) {
        sum += values[index];
      }
      return (double) sum / values.length;
    }
docs: Returns the <a href="http://en.wikipedia.org/wiki/Arithmetic_mean">arithmetic mean</a> of
  {@code values}.
  
  <p>If these values are a sample drawn from a population, this is also an unbiased estimator of
  the arithmetic mean of the population.
  
  @param values a nonempty series of values
  @throws IllegalArgumentException if {@code values} is empty
  @deprecated Use {@link Stats#meanOf} instead, noting the less strict handling of non-finite
  values.