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In an experiment plant growth is measured at five different fertilizer amounts. What is the purpose of using three plants at each amount?

Answer and explanation

Correct answer: To reduce the effect of random variation through replication

Using several samples under the same condition makes the average more reliable. Replication reduces the effect of random variation.

Related tags

ReplicationReliabilityFertilizerVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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