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Aug 22, 2020 at 22:29 history closed kjetil b halvorsen
whuber
Duplicate of Alternatives to one-way ANOVA for heteroskedastic data
Aug 22, 2020 at 22:05 review Close votes
Aug 22, 2020 at 22:29
Aug 22, 2020 at 21:45 history edited kjetil b halvorsen
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Aug 22, 2020 at 21:44 comment added kjetil b halvorsen This is a FAQ: stats.stackexchange.com/questions/71098/…, stats.stackexchange.com/questions/56971/…, stats.stackexchange.com/questions/462153/…, stats.stackexchange.com/questions/100797/…, stats.stackexchange.com/questions/91872/…
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Jul 18, 2019 at 3:23 comment added Dayne So you have two questions. First question has straight forward answer. ANOVA cannot be used as the statistic follows F distribution under the assumption of constant variance, besides other assumptions. Second question is more interesting. What if ignoring different variances we use ANOVA and we get hypothesis is rejected. To interpret this we need to know the asymptotic distribution/properties of the F statistic in ANOVA. In your case the variance of asymptotic distribution would be different as compared to the same variance case. So your result may still be valid depending on the p-values.
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May 12, 2017 at 7:14 history asked Math Info CC BY-SA 3.0