index.js
function avg(vct) {
  if (vct.length === 0) {
    return 0;
  }
  return (vct.reduce(function (a, c) { return a + c; }, 0) / vct.length);
}
function avg(vct) {
  if (vct.length === 0) {
    return 0;
  }
  return (vct.reduce(function (a, c) { return a + c; }, 0) / vct.length);
}
function avg ( vct ) { if ( vct . length === 0 ) { return 0 ; } return ( vct . reduce ( function ( a , c ) { return a + c ; } , 0 ) / vct . length ) ; }
/*
Auxiliary Functions
 Average of number vector (0 if empty)
/ * Auxiliary Functions Average of number vector ( 0 if empty )