Pre-AICE Math 3

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Population

an entire group of people or objects that you want information about.

Treatment Group

group recieves the treatment

Experiment

imposes a treatment on individuals to collect data on their response to the treatment

Parameter

is a number that describes a population

Statistic

is a number that describes a sample

Bias Sample

is a sample that may not be representative of a population

Census

is a survey of the entire population

Sample

is when a part of the population is being surveyed

Observational Study

observes individuals and measures variables without controlling the individuals or their environment in any way

Random Comparative Group

the individuals are assigned to a control group or the treatment except for one variable

Contolled Experiment

two groups are studied under conditions that are identical except for one variable

Controlled Group

two groups are used for comparison, does not receive the treatment

Random Sample

when every member of a population has an equal chance of being selected for a sample


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