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observation
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the act of making and recording a measurement
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terms list
observation
the act of making and recording a measurement
hypothesis
an explanation that is based on prior scientific research or observations and that can be tested
prediction
what you think will happen in a scientific investigation, based upon your hypothesis
variable
a factor that changes in an experiment in order to test a hypothesis
experimental group
A subject or group of subjects in an experiment that is exposed to the factor or condition being tested, in an experiment, a group that is identical to a control group except for one factor and that is compared with the control group
control group
the group that does not receive the experimental treatment.
data
pieces of information gathered from observations or experiments.
correlation
the linear dependance between two variables
statistics
the collection and classification of data that are in the form of numbers
mean
The average of a set of numbers
distribution
The arrangement of something across Earth's surface.
probability
the likelihood that a particular event will occur
sample
the individuals intended to represent the population to be studied
risk
The probability of an unwanted outcome.
model
a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept
conceptual model
A verbal or graphical explanation for how a system works or is organized.
mathematical model
One or more equations that represent the way a system or process works.
value
One or more equations that represent the way a system or process works.
decision-making model
A conceptual model that proves a systematic process for making decisions
experiment
a procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth
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