In a good experiment, the scientist must be able to measure the values for each variable. Weight or mass is an example of a variable that is very easy to measure. However, imagine trying to do an experiment where one of the variables is love. There is no such thing as a love-meter..
What is 'Overweight'. Overweight is a situation where an investment portfolio holds an excess amount of a particular security when compared to the security's weight in the underlying benchmark portfolio. Actively managed portfolios will make a security overweight when doing so allows the portfolio to achieve excess returns. Overweight can also refer to an investment analyst's opinion that the security will outperform its industry, its sector or the entire market.
Definitions, sources and methods: Overweight definition: overweight is a person with a body mass index (BMI) over 25 kg/m2. BMI is defined as the weight in kilograms divided by the square of the height in metres (kg/m2). The data on obesity displayed on the Worldometers' counter is based on the latest statistics published by the World Health Organization (WHO).