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# Investigation into the length of time which men and women can hold their breath for, after taking a deep breath

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Introduction

Investigation into the length of time which men and women can hold their breath for, after taking a deep breath Design and planning The aim of this project is to compare two sets of data: the lengths of time that women can hold their breath for, having taken a deep breath, and the lengths of time which men can hold their breath for, also having taken a deep breath. I have been given data taken from a large population, which I will have to cut down using sampling methods and then form my own investigation from. The basis of the investigation will be the hypothesis that I have formed myself (read on to see). The details of the data are shown below: My hypothesis for this investigation is that, "Men who take a deep breath in, can hold their breath for longer than women who take a deep breath in". Proving this statement will require a range of sampling methods, presentation of data, and statistical calculations, which I will then use to try and interpret, conclude and evaluate the data. I will try and explain the mathematical and statistical methods used as I go along, in order to show how my conclusions come about and more importantly why they are correct or incorrect etc. Men who take a deep breath in can hold their breath for longer, than women who take a deep breath in. ...read more.

Middle

151 38 42 58 40 46 60 2 19 65 172 32 34 27 65 69 77 2 18 52 160 20 25 20 30 30 30 1 22 70 183 40 40 40 72 83 75 1 34 70 167 27 30 28 38 40 35 2 23 73 163.5 16 21 18 25 32 27 2 22 95 167 16 26 31 32 32 42 2 27 52 149 19 31 29 36 26 36 1 20 83 179 28 45 40 46 43 58 1 24 65 180 17 21 24 25 30 34 1 22 72 182 23 24 26 37 30 35 2 19 62 160 30 35 40 68 68 69 1 28 73 164 23 20 24 33 47 66 2 21 55 161 24 28 24 42 52 40 2 19 60 153 40 55 58 73 75 78 2 27 59 161 33 30 36 82 89 94 1 18 56 160 19 32 28 65 69 67 2 19 63 164 15 11 15 25 19 22 2 40 94 159 14 19 23 22 24 26 2 20 51 164 25 40 37 36 42 46 2 26 58 164 22 22 16 35 41 38 2 23 55 157 18 21 20 26 28 26 1 22 65 173 50 56 58 30 31 32 2 19 37 153 31 30 23 36 38 40 2 19 38 150 39 ...read more.

Conclusion

Evaluation Taking into account the way I performed the investigation: them mathematical and statistical methods which I used, the way in which I tried to explain them, the relevance of the points I made to the investigation and the conclusions which I came to, I think I carried out the investigation well. I am fairly pleased with the end products and I think that the effort that I put into it was good. There are, of course, things that I could perhaps improve on in future courseworks. One of these things, I think, would be to explain things in a more detailed, explicit manner, not just saying how I am going to do things or how I did things, but also why I did them and how, by doing them, I am improving or contributing to the quality of the investigation. Also I think that there are probably ways in which I could have developed this investigation further. However, sometimes I was confused as to whether some mathematical and statistical methods would be appropriate in relation to the investigation, or even as to what those methods are used for. On the whole, though, I didn't experience very many difficulties, as I was aided by personal notes taken, explanations from various people and textbooks which explained certain things etc. Naturally, I will continue to try and find ways to improve the next piece of coursework, using this as an example and a model. ...read more.

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