
Visual Summary:
t Tests Between Two Independent Sample Means
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Before You Begin Compute the Mean for Sample 1 |
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Estimate the Standard Error of the Mean for Sample 1:
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Estimate the Standard Error of the Mean for Sample 2:
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Estimate the Standard Error of the Difference Between the Means:
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Compute t
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Compute the Degrees of Freedom:
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Find the Critical Value of t in Table T
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Copyright © 2004 by Mark W. Vernoy