Tuesday
September 16, 2014

Homework Help: Statistics

Posted by Sue on Tuesday, April 16, 2013 at 6:18pm.

The national centre of health statistics reports that the mean systolic blood pressure for males 35-44
years of age is 128 and a standard deviation of 15. A group of 50 executives selected at random are tested and found to have an avarage of 132.3. Is there statistical evidence that the executives have a different blood pressure than the population? Use significant level of 0.05. Solve using a confidence interval approach or a hypothesis test.

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