In science, a variable is any factor, trait, or condition that can exist in differing amounts or types. Scientists try to figure out how the natural world works.To do this they use experiments to …

Identify variables as numerical and categorical. If variable is numerical, further classify as continuous or discrete based on whether or not the variable can take on an infinite number of …

All other variables must be controlled throughout all parts of the experiment. If more than one variable is altered (changed), the results of an experiment cannot be interpreted with any validity.

In the process of doing research we usually collect data on many variables. We may collect data on people’s weekly income, their age, health levels, how much TV they watch, and a myriad …

This document describes the different types of variables one might encounter in different contexts. It is not meant to be a comprehensive reference; it only contains enough information to get by …

There are three main variables: independent variable, dependent variable and controlled variables. ndependent variable, dependent variable and con ... Example: a car going down …

Identify the types of variables in each written statement. READ CAREFULLY! A study was done to find if fuel types affect the engine’s performance in a car. An experiment was performed to …