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1805828
Description
Quiz on Untitled, created by madeeha.samad on 17/12/2014.
Quiz by
madeeha.samad
, updated more than 1 year ago
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Created by
madeeha.samad
almost 10 years ago
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Resource summary
Question 1
Question
How is variation measured?
Answer
qualitative tests
by taking samples
measuring every aspect of organism
Question 2
Question
What is sampling?
Answer
taking measurement of individuals, selected from the population of organisms which are being investigated
observing especially in order to evaluate general health or determine the cause of illness.
observing the species of an organism
Question 3
Question
How may sampling bias be prevented?
Answer
Random sampling, using large sample size or analysing data collected
natural selection
have human involvement any way possible to prevent bias
Question 4
Question
Why may a sample not be representative of the population as a whole?
Answer
sampling bias or by chance
species are different
its very hard to investigate all species
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