How should you test a hypothesis?

by writing a mathematical equation

by making a single observation

by performing a controlled experiment

by answering a series of questions

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Answer: by performing a controlled experiment

Hypothesis is tested "by performing a controlled experiment"

Explanation:

An hypothesis can be defined as the explanation which is proposed based on the evidence available. Based on this hypothesis further investigation can be done. a hypothesis can be tested by performing a controlled experiment and making observations. The results of the experiment will discard or prove the hypothesis right. The idea of the hypothesis can be verified by conducting various observation and experiments related to the data available. A guess on the theory can also be considered as a hypothesis. We can conclude as wild guess rather being well developed theory.