function sort(obj) {
    var arr = [];
    var prop;
    for (prop in obj) {
        if (obj.hasOwnProperty(prop)) {
            arr.push({
                'key': prop,
                'value': obj[prop]
            });
        }
    }
    arr.sort(function(a, b) {
        return a.value - b.value;
    });
    return arr;
}

function average(obj) {
    for (key in obj) {
    total += obj[key];
}

  return (total / Object.keys(obj).length);
}


var list = { "foo": 10, "bar": 95, "some": 16, "test": 45 };
console.log(sortObject(list));
console.log(average(list));