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Unformatted text preview: indicated by three levels: Normal, Overweight, and Obese, has an effect on Diastolic blood pressure. The data taken is summarized below: Normal Overweight Obese Male 75,77,80 80,83,84 89,90,92 Female 73,75,71 86,89,90 95,93,97 a) Find the pooled standard deviation. Is this a valid measure of the standard deviation? b) Is the interaction significant for this data? (perform a formal test, not a graphical analysis)....
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This note was uploaded on 07/25/2008 for the course STT 422 taught by Professor Porter during the Summer '08 term at Michigan State University.
- Summer '08