Experiment

Definition

An experiment is a process or study that results in the collection of data. It aims to discover patterns, test hypotheses, or determine cause and effect relationships.

5 Must Know Facts For Your Next Test

1. Experiments involve manipulating one or more variables to observe their effect on other variables.
2. The outcomes of an experiment are often uncertain but can be described in terms of probabilities.
3. Controlled experiments have both control and experimental groups to isolate the effect of the variable being tested.
4. Randomization is used in experiments to ensure that the results are not biased by external factors.
5. The sample space of an experiment includes all possible outcomes.

Review Questions

• What is the purpose of using randomization in an experiment?
• How does a controlled experiment differ from an observational study?
• What constitutes the sample space in an experiment?

Related terms

Sample Space:

The set of all possible outcomes of an experiment.

Random Variable: A variable whose values depend on the outcomes of a random phenomenon.

Hypothesis: A proposed explanation for a phenomenon, which can be tested through experimentation.