The effect of coffee on heartrate Procedure: Recorded age and gender of particip

Question

The effect of coffee on heartrate Procedure: Recorded age and gender of participants, and give them about 9.5 oz. of water to drink they waited for 10 minutes and then measure their heart rate (bpm) Then we give them the Starbucks coffee, waited 10 minutes after they finished drinking it and take their heart rate again. We repeated the same procedure with 12 participants Group member Trial Age Gender Heat rate Heart rate between control 10 minutescoffe. after water (bpm) after 9.90z. of 20-30) Nataly 20 20 80 71 76 ull 110 Makayla1 20 20 61 72 65 75 usa

Explanation / Answer

In general term, standard deviation means number of individual that differ from the mean of the population. Low standard deviation means the individual are more close to the mean value of the population and high standard deviation means there is wide range of individuals are present in the population. Mean is the simple average of the values in the population. Standard deviation is also called as the root mean square deviation. Mean is calculated by simple mathematical formula that is, total addition of values devided by number of values. By applying these concepts one can calculate the mean value and standard deviation from the data given in the question also.

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