why do we have to compute a pooled variance for an independent sample t test

why do we have to compute a pooled variance for an independent sample t test. There are some references to why do we have to compute a pooled variance for an independent sample t test in this article. If you are looking for why do we have to compute a pooled variance for an independent sample t test you've came to the right place. We have posts about why do we have to compute a pooled variance for an independent sample t test. You can check it out below.

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