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Is ttest2 with the 'Vartype' set as 'unequal' essentially the same as a Welch's t-test?

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Christoper Angelo Malayan
Christoper Angelo Malayan 2021 年 1 月 29 日
コメント済み: dpb 2021 年 1 月 29 日
Hi all,
Just like to confirm that I've understand the documentation for using the ttest2 (https://www.mathworks.com/help/stats/ttest2.html) correctly.
Am I right to assume that when I set 'Vartype' as 'unequal' (essentially saying that variance of samples are NOT known to be the same), ttest2 becomes a Welch's t-test?
Hope you could help me confirm this.
Thank you

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