AP Stats: Experimental and Sampling Design

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a convenience sample?
Back
A convenience sample is a type of non-probability sampling where the sample is taken from a group that is easily accessible, rather than being randomly selected from the entire population.
2.
FLASHCARD QUESTION
Front
What is a simple random sample?
Back
A simple random sample is a sampling method where every individual in the population has an equal chance of being selected.
3.
FLASHCARD QUESTION
Front
What is the importance of randomization in experiments?
Back
Randomization helps eliminate bias in assigning subjects to treatment groups, ensuring that the groups are comparable.
4.
FLASHCARD QUESTION
Front
What are experimental units?
Back
Experimental units are the smallest division of experimental material such that any two units can receive different treatments.
5.
FLASHCARD QUESTION
Front
What is the role of control in an experiment?
Back
Control is used to keep all other variables constant except for the treatment being tested, allowing for a clearer understanding of the treatment's effect.
6.
FLASHCARD QUESTION
Front
What is response bias?
Back
Response bias occurs when participants provide inaccurate or false responses, often due to the way questions are asked or the survey's design.
7.
FLASHCARD QUESTION
Front
What is undercoverage in sampling?
Back
Undercoverage occurs when some members of the population are inadequately represented in the sample.
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