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April 18, 2014

Homework Help: Statistics

Posted by Anonymous on Sunday, October 21, 2012 at 8:28pm.

The null and alternate hypotheses are:

H0: μ1 = μ2
H1: μ1 ≠ μ2

A random sample of 15 items from the first population showed a mean of 50 and a standard deviation of 5. A sample of 12 items for the second population showed a mean of 46 and a standard deviation of 15. Assume the sample populations do not have equal standard deviations.

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