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October 21, 2014

Homework Help: Statistics

Posted by Student on Tuesday, August 12, 2008 at 3:00pm.

testing for the differences between means of 2 independent populations where the variances in each population r unknown, u must first perform the F-test for the difference between 2 variances. Which of the following is correct? a)If the null hypothesis of the F-test is rejected, then use the pooled variance t test for the difference between the means. b)If the null hypothesis of the F-test is not rejected, then use the separate variance t test for the difference between the means. c) If the alternative hypothesis of the F-test is accepted, then use the pooled variance t test for the difference between the means. d)Both (a)n(c)are correct. e)None

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