var sum = require('./sum');

/**
 * Computes the mean of the values in `array`.
 *
 * @static
 * @memberOf _
 * @category Math
 * @param {Array} array The array to iterate over.
 * @returns {number} Returns the mean.
 * @example
 *
 * _.mean([4, 2, 8, 6]);
 * // => 5
 */
function mean(array) {
  return sum(array) / (array ? array.length : 0);
}

module.exports = mean;