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How to compare 4 treatments with unequal number of samples

Hi,

I have 4 treatment groups, each with different n (sample number). The experimental design is completely randomized design. What is the best way to analyze the data to make sure unequal variances are taken into consideration.

Analytics

Re: How to compare 4 treatments with unequal number of samples

I presume you are primarily interested in testing the hypothesis that the means of the 4 treatment groups are equal? If that's the case the Fit Y by X platform is a good place to start. There are options within the report for the unequal variances scenario. Here's a link to the online JMP documentation related to the unequal variances scenario.

Fit Y by X - Unequal Variances

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