Definition of null hypothesis in English:

null hypothesis

Syllabification: null hy·poth·e·sis

noun

  • (In a statistical test) the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
    More example sentences
    • It then reviews demographic differences within regions and tests a series of null hypotheses proposing no significant differences between regions based on the demographic factors.
    • We performed significance tests of the null hypothesis of constant population size for both data sets.
    • Using their method requires the ability to draw samples from an approximation to the joint distribution of the test statistics when all null hypotheses are true.

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