Definitions (2)
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1. A supposition or explanation (theory) that is provisionally accepted in order to interpret certain events or phenomena, and to provide guidance for further investigation. A hypothesis may be proven correct or wrong, and must be capable of refutation. If it remains unrefuted by facts, it is said to be verified or corroborated.
2. Statistics: An assumption about certain characteristics of a population. If it specifies values for every parameter of a population, it is called a simple hypothesis; if not, a composite hypothesis. If it attempts to nullify the difference between two sample means (by suggesting that the difference is of no statistical significance), it is called a null hypothesis.

Use 'hypothesis' in a Sentence

The first step to improving an outcome is to form a testable hypothesis of how the outcome is affected; for example, a gardener forms a hypothesis that their tomatoes will grow better with more compost.
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I used a hypothesis in my science class because my partner and I came up with an educated guess before our experiment and wanted to test if it were true.
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A likely hypothesis for the dip in the unemployment numbers is not that more people found the jobs they desire, but that people were so distraught that they simply stopped applying for work and, hence, unemployment benefits.
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