Ch.2 Key Terms Flashcards
observation
an act or instance of observing a custom rule or law
hypothesis
an assumption or concession made for sake of argument
prediction
an act of predicting
experimental group
a person or people in a group being tested on as an experiment
control group
to check or verify by evidence
data
factual info
correlation
a relation between phenomena or things
statistics
a collection of quantitative data
mean
average value
distribution
process of giving out something
probability
quality or state of being probable
sample
single item from a larger group
risk
someone or something that creates a hazard
model
type of design or product
conceptual model
representation of a system
mathematical model
a system using mathematical concepts
value
monetary worth of something
decision making
the act or process of deciding something
model
a type of design or product
variable
able to apat or vary
