code: function genericStdev(ddof, sequence) {
    const v = genericVariance(ddof, sequence);
  
    return Math.sqrt(v);
  }
docs: Function computing the sample standard deviation of the given sequence.
  
  @param  {number}  ddof     - Delta degrees of freedom.
  @param  {array}   sequence - The sequence to process.
  @return {number}           - The variance.
  
  @throws {Error} - The function expects a non-empty list.