Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 09 Feb 2018 My Price 5.00

oxygenation of the blood

Heart rate during laughter. Laughter is often called ‘‘the best medicine,’’ since studies have shown that laughter can reduce muscle tension and increase oxygenation of the blood. In the International Journal of Obesity (January 2007), researchers at Vanderbilt University investigated the physiological changes that accompany laughter. Ninety subjects (18–34 years old) watched film clips designed to evoke laughter. During the laughing period, the researchers measured the heart rate (beats per minute) of each subject with the following summary results:  = 73.5, s = 6. It is well known that the mean resting heart rate of adults is 71 beats/minute. At α = .05, is there sufficient evidence to indicate that the true mean heart rate during laughter exceeds 71 beats/minute?

 

 

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Maurice Tutor
(5)
Status NEW Posted 09 Feb 2018 11:02 PM My Price 5.00

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