Weighting (noun)

1. The action or process of determining or adjusting the weight of something.
2. The distribution of importance or value given to something or someone.

Origin:

Middle english wayting, from old english weġting, from weġian to weigh.

Examples:

1. They were working on the weighting of the package before shipping it.
2. The weighting of the questions on the test was criticized.
3. He was adjusting the weighting on the barbells.
4. The weighting of the portfolio was heavily tilted towards technology stocks.
5. The weighting of the survey samples was not representative of the population.