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  • Level: GCSE
  • Subject: Maths
  • Word count: 4231

Obesity and height and weight

Extracts from this document...

Introduction

Maths Statistics Coursework – Mayfield High School

Introduction:

        I have been approached by my local council who would like to try and gain a better understanding of obesity in the local community. The body mass index is the universal measurement of whether a person is overweight. They are trying to decrease the number of future cases of obesity and therefore, I must look at the future generation of adults, so I will take this case back to its origin, I will take it back to school. All the data that I require for this project will be provided by the council. All results are from a local school called “Mayfield High School”.

body mass index = weight/height²

Phase A:

As 1180 pupils is an extremely large number to work with, I have decided that I will carry out a sample. The type of sample that I will carry out is called a stratified sample. This means that I will arrange them all in the order that I am going to investigate, and then keep deleting entries and save every nth term. I have done this

...read more.

Middle

22.5

8

13

Female

1.52

52

22.5

7

12

Male

1.63

60

22.6

8

13

Female

1.60

58

22.7

7

12

Male

1.50

51

22.7

10

15

Female

1.56

56

23.0

8

12

Female

1.43

49

24.0

7

12

Female

1.53

57

24.3

9

14

Female

1.53

57

24.3

9

14

Male

1.75

75

24.5

7

12

Male

1.65

69

25.3

10

15

Male

1.66

70

25.4

8

13

Female

1.59

65

25.7

11

16

Male

1.52

60

26.0

10

15

Male

1.74

80

26.4

8

12

Male

1.55

64

26.6

9

14

Female

1.54

68

28.7

11

16

Female

1.33

55

31.1

11

16

Male

1.62

92

35.1

Below is all the data after I  split it up by year group:

Year Group

Years

Gender

Height (m)

Weight (kg)

BMI

7

12

Female

1.52

33

14.3

7

12

Female

1.59

38

15.0

7

12

Male

1.55

38

15.8

7

11

Male

1.48

35

16.0

7

12

Female

1.66

45

16.3

7

12

Female

1.64

44

16.4

7

12

Female

1.52

40

17.3

7

12

Male

1.54

43

18.1

7

11

Male

1.48

40

18.3

7

12

Male

1.65

50

18.4

7

12

Female

1.46

40

18.8

7

12

Female

1.63

50

18.8

7

11

Male

1.45

40

19.0

7

12

Female

1.63

51

19.2

7

12

Male

1.51

45

19.7

7

12

Female

1.53

47

20.1

7

12

Male

1.52

47

20.3

7

12

Male

1.53

48

20.5

7

12

Female

1.30

36

21.3

7

11

Male

1.55

53

22.1

7

12

Male

1.63

59

22.2

7

12

Male

1.63

60

22.6

7

12

Male

1.50

51

22.7

7

12

Female

1.53

57

24.3

7

12

Male

1.65

69

25.3

8

13

Male

1.60

36

14.1

8

13

Male

1.35

29

15.9

8

13

Male

1.59

41

16.2

8

13

Female

1.60

42

16.4

8

13

Male

1.66

46

16.7

8

13

Female

1.69

48

16.8

8

13

Female

1.70

50

17.3

8

13

Male

1.54

42

17.7

8

13

Female

1.61

46

17.7

8

13

Female

1.56

45

18.5

8

13

Female

1.70

55

19.0

8

13

Male

1.50

45

20.0

8

13

Male

1.50

49

21.8

8

13

Male

1.54

52

21.9

8

13

Female

1.52

52

22.5

8

13

Female

1.60

58

22.7

8

12

Female

1.43

49

24.0

8

13

Female

1.59

65

25.7

8

12

Male

1.55

64

26.6

9

14

Female

1.61

38

14.7

9

14

Female

1.58

40

16.0

9

14

Male

1.70

47

16.3

9

14

Female

1.68

47

16.7

9

14

Male

1.65

48

17.6

9

14

Female

1.52

41

17.7

9

13

Male

1.48

40

18.3

9

14

Male

1.65

50

18.4

9

14

Female

1.71

54

18.5

9

14

Male

1.65

51

18.7

9

14

Male

1.70

55

19.0

9

14

Female

1.63

52

19.6

9

14

Male

1.75

60

19.6

9

14

Female

1.6

51

19.9

9

14

Male

1.74

61

20.1

9

14

Female

1.51

48

21.1

9

14

Male

1.81

72

22.0

9

14

Male

1.73

66

22.1

9

14

Male

1.70

65

22.5

9

14

Female

1.53

57

24.3

9

14

Male

1.75

75

24.5

9

14

Female

1.54

68

28.7

10

15

...read more.

Conclusion

class="c40 c35" colspan="1" rowspan="1">

1.60

45

17.6

11

16

Female

1.60

48

18.8

11

16

Female

1.52

44

19.0

11

16

Female

1.62

54

20.6

11

16

Male

1.8

72

22.2

11

16

Male

1.52

60

26.0

11

16

Female

1.33

55

31.1

11

16

Male

1.62

92

35.1

I have used colours to differentiate between year groups but as can be seen the genders are still mixed.

Year Group

Years

Gender

Height (m)

Weight (kg)

BMI

7

12

Female

1.52

33

14.3

7

12

Female

1.59

38

15.0

7

12

Female

1.66

45

16.3

7

12

Female

1.64

44

16.4

7

12

Female

1.52

40

17.3

7

12

Female

1.46

40

18.8

7

12

Female

1.63

50

18.8

7

12

Female

1.63

51

19.2

7

12

Female

1.53

47

20.1

7

12

Female

1.30

36

21.3

7

12

Female

1.53

57

24.3

7

12

Male

1.55

38

15.8

7

11

Male

1.48

35

16.0

7

12

Male

1.54

43

18.1

7

11

Male

1.48

40

18.3

7

12

Male

1.65

50

18.4

7

11

Male

1.45

40

19.0

7

12

Male

1.51

45

19.7

7

12

Male

1.52

47

20.3

7

12

Male

1.53

48

20.5

7

11

Male

1.55

53

22.1

7

12

Male

1.63

59

22.2

7

12

Male

1.63

60

22.6

7

12

Male

1.50

51

22.7

7

12

Male

1.65

69

25.3

8

13

Female

1.60

42

16.4

8

13

Female

1.69

48

16.8

8

13

Female

1.70

50

17.3

8

13

Female

1.61

46

17.7

8

13

Female

1.56

45

18.5

8

13

Female

1.70

55

19.0

8

13

Female

1.52

52

22.5

8

13

Female

1.60

58

22.7

8

12

Female

1.43

49

24.0

8

13

Female

1.59

65

25.7

8

13

Male

1.60

36

14.1

8

13

Male

1.35

29

15.9

8

13

Male

1.59

41

16.2

8

13

Male

1.66

46

16.7

8

13

Male

1.54

42

17.7

8

13

Male

1.50

45

20.0

8

13

Male

1.50

49

21.8

8

13

Male

1.54

52

21.9

8

12

Male

1.55

64

26.6

9

14

Female

1.61

38

14.7

9

14

Female

1.58

40

16.0

9

14

Female

1.68

47

16.7

9

14

Female

1.52

41

17.7

9

14

Female

1.71

54

18.5

9

14

Female

1.63

52

19.6

9

14

Female

1.6

51

19.9

9

14

Female

1.51

48

21.1

9

14

Female

1.53

57

24.3

9

14

Female

1.54

68

28.7

9

14

Male

1.70

47

16.3

9

14

Male

1.65

48

17.6

9

13

Male

1.48

40

18.3

9

14

Male

1.65

50

18.4

9

14

Male

1.65

51

18.7

9

14

Male

1.70

55

19.0

9

14

Male

1.75

60

19.6

9

14

Male

1.74

61

20.1

9

14

Male

1.81

72

22.0

9

14

Male

1.73

66

22.1

9

14

Male

1.70

65

22.5

9

14

Male

1.75

75

24.5

10

15

Female

1.79

52

16.2

10

14

Female

1.70

50

17.3

10

15

Female

1.62

48

18.3

10

15

Female

1.80

60

18.5

10

14

Female

1.47

45

20.8

10

15

Female

1.61

54

20.8

10

15

Female

1.56

56

23.0

10

15

Male

1.75

45

14.7

10

15

Male

1.68

42

14.9

10

14

Male

1.67

44

15.8

10

15

Male

1.66

47

17.1

10

15

Male

1.75

56

18.3

10

15

Male

1.84

62

18.3

10

15

Male

1.65

50

18.4

10

14

Male

1.75

59

19.3

10

15

Male

1.80

63

19.4

10

15

Male

1.72

58

19.6

10

15

Male

1.70

57

19.7

10

15

Male

1.62

52

19.8

10

14

Male

1.65

54

19.8

10

15

Male

1.72

62

21.0

10

15

Male

1.66

70

25.4

10

15

Male

1.74

80

26.4

11

16

Female

1.65

42

15.4

11

15

Female

1.70

50

17.3

11

16

Female

1.60

45

17.6

11

16

Female

1.60

48

18.8

11

16

Female

1.52

44

19.0

11

16

Female

1.62

54

20.6

11

16

Female

1.33

55

31.1

11

16

Male

1.52

38

16.4

11

16

Male

1.8

72

22.2

11

16

Male

1.52

60

26.0

11

16

Male

1.62

92

35.1

Here it is clear that it has been split own into genders within years.

Sami azzam 10E

...read more.

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