Stats Vocab
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Part of the population that we actually examine in order to gather info
Sample
When the treatment is repeated on a large enough number
Replication
• experiments is the imitation of chance behavior
Simulation
The individuals on whom and experiment is done are the - units
Experimental
Fundamental principle of experimental design
Control
Similar to stratification
Block
• bias occurs when participants can’t be selected
Nonresponse
Chooses individuals that are easy to reach
Convenience
Every set of the population has an equal chance of getting selected
Simple random
Blocking for comparing two treatments
Matched pairs
Individuals don’t respond truthfully
Response bias
Divide the population into strata
Stratified random sample
Subjects are assigned by pure chance
Random assigning
Experimental condition applied to subjects
Treatment
The entire group of individuals that we want info about
Population
Known chance
Probability
Another name for explanatory variable
Factor
Some groups in the population are left out
Under coverage
People who choose themselves to participate
Voluntary
Imposes treatment on ppl to see a response
Treatment