Chapter 2 - Tools of Environmental Science

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

a principle or standard that an individual considers to be important

any pieces of information acquired through observation or experimentation

a procedure that is carried out under controlled conditions to discover, demonstrate

the group of individuals or events selected to represent a statistical population

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

the number obtained by adding up the data and dividing this sum by the number of individuals

the probability of an unwanted outcome

a pattern, plan, or description designed to show the structure or workings of a concept

a conceptual model that provides a systematic process for making decisions

the linear dependence between two variables

a statement made in advance that expresses what will be obtained from testing a hypothesis

the relative arrangement of the members of a statistical population; usually shown in a graph

in an experiment, a group that serves as a standard of comparison

in an experiment, a group that is identical to a control group except for one factor

a testable idea or explanation that leads to scientific investigation

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

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

the likelihood that a possible future event will occur in any given instance of the event

the process of obtaining information by using the senses; the information obtained