A | B |
experiment | procedure designed to test a hypothesis under controlled conditions |
hypothesis | testable idea that leads to scientific investigation |
variable | factor of interest (something that is changed) |
observation | piece of information we gather with our senses |
prediction | logical statement about what will happen if the hypothesis is correct |
control group | group that does not receive the treatment |
statistics | collection and classification of data in form of numbers |
correlation | associations between two or more events |
data | information scientist gathers (often numerical) |
experimental group | group receiving the treatment |
probability | chance something will happen |
distribution | relative arrangement of the members of a statistical population (Bell curve) |
mean | the average (adding the characteristics and div by # of individuals) |
risk | probability of an unwanted outcome |
sample | group of individuals or events used to represent a population |
model | represent objects or systems |
value | principles or standards we find important |
conceptual model | verbal or graphical explanation how something works (flowchart) |
decision-making model | conceptual model that provides a process for making decisions |
mathematical model | one or more equations that represents how a system or process works |