Homework Help: statistics

Posted by Jeff on Thursday, July 5, 2012 at 5:08pm.

how can you reword these research hypotheses to null hypotheses:

a. smoking during pregnancy increases the risk of a child being born prematurely.

b. regular exercise in older adults decreases blood pressure levels.

statistics - PsyDAG, Friday, July 6, 2012 at 11:47am
Ho: Smoking during pregnancy is not related to premature birth.

Ho: Exercise in older adults is not related to blood pressure levels.

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