Chapter 2 Key Terms

In an experiment, the group that does not receive the experimental treatment is called the:

A conceptual model that provides a systematic process for making decisions.

A piece of information we gather using our senses.

Principals or standards we consider important.

One or more equations that represent the way a system or process works

The technical term for "Average".

A logical statement about what will happen if the hypothesis is correct.

Representations of objects or systems.

In an experiment, the group that receives the experimental treatment is called the:

The information that a scientist gathers during an experiment, which is often in numeric form:

Reliable associations between two events.

A testable explanation for an observation.

A procedure designed to test a hypothesis under controlled conditions.

A verbal or graphical explanation for how a system works or is organized.

The chance that something will happen

The group of individuals or events selected to represent the population

The relative arrangement of the members of a statistical population

The probability of an unwanted outcome

The factor of interest in an experiment.

The collection and classification of data that are in the form of numbers.