ES ch 2 Tools of science vocab review

3-D models

maps and charts

Procedure carried out under controlled conditions to test a fact or theory

A statement made in advance that implies the results that is obtained from testing hypothesis

A factor that changes in an experiment in order to test a hypothesis

Any piece of information acquired through observation or experimentation

A bell-shaped curve

one or more equations that represents the way a system or process works

A theory or explanation that is based on observations and that can be tested

The number that is the average of the data collected

The group that is used as the standard of comparison with the experimental group

The chance that something will happen

The relative arrangement of the members of a population, usually shown on a graph

a verbal or graphical explanation for how a system works, a flow chart

a conceptual model that provides a systemic process for making decisions

principles and standards we consider important

The linear dependence between two variables

the probability of an unwanted outcome

The group of individuals or events selected to represent the population

The process of obtaining information by using the senses

The number of events or objects sampled

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

representations of objects or systems

A group that is identical to the control group except for one factor that is changed