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The '''null hypothesis''' is the hypothesis that a factor or characteristic of a group is of no consequence. In other words, the '''null hypothesis''' is that a factor does not matter.
Many science experiments seek to disprove the '''null hypothesis''' as the first step towards proving that a meaningful (alternative) scientific hypothesis is true. Most medical studies, for example, that seek to prove the efficacy of a drug must first rule out the '''null hypothesis''' that taking the drug makes no difference.
[[category:statistics]]
[[category:medicine]]
[[category:science]]
Many science experiments seek to disprove the '''null hypothesis''' as the first step towards proving that a meaningful (alternative) scientific hypothesis is true. Most medical studies, for example, that seek to prove the efficacy of a drug must first rule out the '''null hypothesis''' that taking the drug makes no difference.
[[category:statistics]]
[[category:medicine]]
[[category:science]]