a statement made in advance that expresses the results that will be obtained from testing a hypothesis is supported
decision-making model
a conceptual model that provides 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
mean
the number obtained by adding up the data for a given characteristic and divding this sum by the number of indivduals
variable
a factor that changes in an experiment in order to test a hypothesis
distrubtion
the relative arrangement of the members of a statsical population, usually shown in a graph
experimental group
a group that is identical to a control group except for one factor and that is compared with the control group
probality
the likelihood that a possible future event will occur in any given instance of the event the mathematical ratio of times one outcome of any event is likey to occur to the number of possible outcomes or the event
control group
a group that serves as a standard of comparison with another group to which the control group is identical except for one factor
sample
the group of individuals or events selected to represent a statistical population
data
any pieces of information acquired through observation or experiment
risk
the probalbility of an unwanted outcome
correlation
the linesr dependence between two variables
model
a pattern plan representation or description desgined to show the structure or workings of an object system or concept
statistics
the collection and classification of data that are in the form of numbers
conceptual model
a verbal or graphical explanation for how a sysetm works or is organized
observation
the process of obtaining information by using the senses
mathematical model
one or more equations that represents the way a system of process works
hypothesis
a testable idea or explantaion that leads to scientific investigation
value
a principle or standard that an individual considers to be important