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Question 1 of 4

Medal-premium 1

How is variation measured?

Select one or more of the following:

  • qualitative tests

  • by taking samples

  • measuring every aspect of organism

Question 2 of 4

Medal-premium 1

What is sampling?

Select one or more of the following:

  • 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 of 4

Medal-premium 1

How may sampling bias be prevented?

Select one or more of the following:

  • Random sampling, using large sample size or analysing data collected

  • natural selection

  • have human involvement any way possible to prevent bias

Question 4 of 4

Medal-premium 1

Why may a sample not be representative of the population as a whole?

Select one or more of the following:

  • sampling bias or by chance

  • species are different

  • its very hard to investigate all species

Quiz by , created over 2 years ago

Quiz on Untitled, created by madeeha.samad on 17/12/2014.

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Created by madeeha.samad over 2 years ago