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4. Which of the following would be the best control sample for the study?
A)
A sample of water collected just downstream of the southern forest
(B) A sample of water collected just downstream of the housing development
C)A sample of water collected just downstream of the northern forest
D)A sample of distilled water

Respuesta :

lilliflores2105

Answer:

D. A sample of distilled water

Explanation:

You need to have a control sample that hasn't been messed with to see what would happen if you had no reaction to your experiment

jayilych4real

A sample is the smaller set of data which a researcher makes use of to complete a research.

As a result of this, we can see that a sample study is the use of these samples to come to a conclusion about the investigation or research which is going on.

Some examples of a sample study include:

  • Simple random sampling.
  • Systematic sampling.  
  • Stratified sampling, etc

Please note that your question is incomplete so i gave you a general overview which would help you get a better understanding of the topic.

Read more here:

https://brainly.com/question/21977459

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