Re: An undergraduate-level question

1) Yes, this is the "notorious" t-test.

2) If you had two columns, this would be a t-test. This would be either
the standard t-test for two independent samples (if the 6 x 2
represented 12 different people) or dependent samples (if the 6 x 2
represented 6 different people, each measured twice, which is called
"repeated measures" in the statistical literature).

With 4 columns, you want to use analysis of variance (ANOVA). Whether
you want standard ANOVA or ANOVA for repeated measures again depends on
whether you have independent or dependent measurements.

Only repeated measures anova would likely be missing from any
introductory statistics book. For that you might need a slightly more
advanced test.

.

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