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Chapter 2: Tools of the Environment

Across
The relative arrangement of the members of a statistical population.
Three-dimensional model that you can touch.
The number obtained by adding the data for a characteristic and dividing this sum by the number of individuals.
The protection of natural resources.
Occurs when the data is grouped symmetrically around the mean.
The gain or loss of money or jobs.
A group of similar things that a scientist is interested in learning about.
A model that includes one or more equations that represent the way a system or process works.
The chance something will happen.
A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept.
In this group of the experiment the single variable being tested is present.
Down
A piece of information we gather using our senses.
A procedure designed to test a hypothesis under controlled conditions.
A conceptual model that provides a systematic process for making decisions.
Consists of a series of steps that scientists worldwide use to identify and answer questions.
A model that explains how a system works or is organized, often using a flow-chart.
A single factor that changes in an experiment in order to test a hypothesis.
A group of individuals or events selected to represent a statistical population.
The pieces of information that a scientist gathers during an experiment, which is often in numeric form.
Principles or standards that we consider important.
The probability of an unwanted outcome.