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December 20, 2014

December 20, 2014

Posted by **marsha** on Monday, April 28, 2014 at 9:30pm.

- statistics -
**MathGuru**, Tuesday, April 29, 2014 at 6:10pmIf you have equal sample sizes and unequal standard deviations, a Welch's t-test might be appropriate. Check degrees of freedom for this type of test before checking the appropriate table to determine critical value.

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