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