Null hypothesis: Béda antara owahan

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Larik 1:
Sajeroning praktèk [[ngèlmu]] nglibataké gawé lan nguji ''[[hypothesis|hypotheses]]'',sawijiningsiji pratélan ngenani [[Falsifiability|bisa kabukti salah]] nganggo sawijiningsiji tès saka dhata sing diamati. '''Null hypothesis''' lumrahé magepokan karo sawijiningsiji posisi umum utawa baku (‘general or default position). Tuladhané, null hypothesis ya iku: yèn ora ana gayutan antarané rong tandha-tandha sing diukur<ref>{{cite web|url=http://www.businessdictionary.com/definition/null-hypothesis.html |title=null hypothesis definition |publisher=Businessdictionary.com |date= |accessdate=2010-07-29}}</ref> or that a potential treatment has no effect.<ref>{{cite web|url=http://www.nlm.nih.gov/nichsr/hta101/ta101014.html |title=HTA 101: Glossary |publisher=Nlm.nih.gov |date=2009-09-08 |accessdate=2010-07-29}}</ref>
 
Istlah iki wiwitané diluncuraké déning ahli [[génétika]] lan [[statistika]] saka [[Inggris]] [[Ronald Fisher]] ing taun 1935.<ref>{{cite web|url=http://statistics.berkeley.edu/~stark/SticiGui/Text/gloss.htm#null_hypothesis |title=Glossary |publisher=Statistics.berkeley.edu |date=2010-07-25 |accessdate=2010-07-29}}</ref><ref>OED quote: '''1935''' R. A. Fisher, ''The Design of Experiments'' ii. 19, "We may speak of this hypothesis as the 'null hypothesis', and it should be noted that the null hypothesis is never proved or established, but is possibly disproved, in the course of experimentation."</ref>
Lumrahé hypothesis iki kagandhèng karo hypothesis kaloro ya iku alternative [[hypothesis]], sing nyatakaké anané gayutan antara tandha-tandha sing diamati. [[Jerzy Neyman]] lan [[Egon Pearson]] ngresmèkaké minangka sawijiningsiji alternatif. Hypothesis alternative ora kudu arupa négasi saka null hypothesis; hypothesis alternatif ngramalaké ail saka pacoban yèn hypothesis alternatif iku bener. Panggunaan hypothesis alternatif ora dadi péranganing formulasi [[Fisher]], nanging dadi [[standard]].
 
Wigati banget kanggo dimangertèni yèn ''null hypothesis ora bakal bisa kabukti''. Sawijining sèt data mung bisa '''nulak''' apa '''gagal nulak''' sawijiningsiji null hypothesis.
== Rujukan ==
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