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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.

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.

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:statistics]]

[[category:medicine]]

[[category:medicine]]

[[category:science]]

[[category:science]]