biolab9_20 - 20 September 2006 Wednesday 11 AM The Effect...

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20 September 2006 Wednesday 11 AM The Effect of Caffeine on the Human Heart Rate Does ingesting caffeine affect the heart rate of University of Scranton students? Hypothesis Yes, ingesting caffeine does affect the heart rate of University of Scranton students. Null Hypothesis No, ingesting caffeine does not affect the heart rate of University of Scranton students. Prediction If ingesting caffeine does not affect the heart rate of University of Scranton students, then the pulse of the “non-caffeinated” people should be the same as the “caffeinated” people. Material and Methods In order to prove my hypothesis, I measured the heart rates of ten subjects. Four of which had not had caffeine in any form for six hours or more, these are referred to as “non-caffeinated” people. Four others who’ve had caffeine in the form of coffee, tea, caffeinated sodas, hot chocolate, or chocolate milk in the past 20 to 180 minutes. These people are referred to as “caffeinated people”. Control: The other two test subjects the
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This note was uploaded on 04/08/2008 for the course BIOL 141L taught by Professor Townsend during the Fall '06 term at Scranton.

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biolab9_20 - 20 September 2006 Wednesday 11 AM The Effect...

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