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Difference for t test for independent means & correlated t test

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What is the difference between a t test for independent means and a correlated t test?

If a production manager wanted to determine whether or not the first shift was processing more widgets than the second shift, what type of statistical process would be used?

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The expert determines the difference for t tests for independent means and correlated t tests.

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1) A t-test with independent means is when you have 2 samples that are not related to each other, and you want to compare them against each other. The 2 samples can either be from 2 different ...

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