The effect of weight on pulse rate
- Research question
- Processed data
- Unpaired t test results
- P value and statistical significance
- Confidence interval
- Intermediate values used in calculations
The heart is the most important pump muscle in our body that pumps blood , thereby maintaining the flow of blood through the entire circulatory system. The pulse rate is the number of times it beats per minute. It can be determined by feeling pulse areas on body and by special BMP machines. An adult's normal resting heart rate (RHR) falls between 60 and 90 beats per minute. An athlete who is in great shape may have a RHR between 40 and 60. There is often shown a correlation between the weight of a person and pulse rate as athletes have a lower pulse rate than ordinary people. If you weigh more than your body frame can comfortably support, your heart works harder to provide the energy you require to function. The weight is therefore a factor that can affect the pulse rate.
The purpose of this report is to investigate the relationship between the weight of a person both female and male (kg) and the pulse rate. The purpose is to show how dependant the pulse rate is on the weight (kg). It is expected that the pulse rate will depend on the weight of the person. It is anticipated that person with a heavier weight will have a higher pulse rate than a person with a low weight.
[...] Both the female and males have a fairly big SD, which indicates the correlation is not too significant. In conclusion, the relationship of absolute body weight to changes of pulse rate is seen. The weight has an effect on the pulse rate. Students, both males and females, with a heavier weight tend to have a higher pulse rate. This investigation does not prove this entirely as there can be other factors, as the body fat percentage or muscle mass affecting the pulse rate. Sources http://www.graphpad.com/quickcalcs/ttest1.cfm. [...]
[...] This will prevent the pulse rate from getting affected by physical movement and therefore give a more steady pulse rate answer. Conclusion: The weight of a person has an affect on the pulse rate, as this can be seen on the graphs for both females and males. The graph lines have same patterns with same swings. The male graph shows a bigger correlation between pulse rate and weight. Based on the t test we can also conclude the spread and relationship between the two variables. [...]
[...] The graphs show a relationship between the weight and pulse rate following the same pattern. The tests also show the relationships. There is a correlation between the two variables, though it is not so clear and reliable. Students, especially females have the highest pulse rates but lowest weights on average compared to the males. This indicates that despite having lower weights, they have a higher pulse rate mean. The dependency of pulse rates on weight does not seem so strong. [...]