Independent t-test - Explained Simply (Part 2)
how2stats
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Independent t-test - Explained Simply (Part 2) breaks down how to determine if two group means differ significantly (like smokers vs. non-smokers) by comparing a calculated t-value to a critical threshold under the assumption that their means are equal.
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The two groups are from the same population with respect to brain volume; in this case, they may have the same brain volumes, and in that context, they are from the same group.
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