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maths courseowrk : height and weight at Mayfield school

Extracts from this document...

Introduction

GCSE Maths Coursework  

Page

Maths Statistics Coursework

Hypothesis

  1. The average height and weight for boys is greater than for girls.  
  1. My other hypothesis is that there will be a positive correlation between height and weight e.g. the taller you are the more you weight.  

Number of pupils

There is an un-equal spread of boys and girls form year 7-11.  When I choose my sample I must take this into account.  I am going to choose 100 pupils out of the 1183 pupils attending Mayfield High school.  To do this I will have to multiply every total in table A by 100/1183 (=0.0845) and get the values in table B.

Selection of Pupils

...read more.

Middle

1.64

35

1.65

67

1.66

45

1.67

51

1.67

48

1.7

58

1.7

48

1.71

68

1.72

65

1.72

50

1.75

50

1.81

72

Male year 7-9

Height (m)

Weight (kg)

1.2

38

1.36

45

1.41

45

1.41

50

1.48

47

1.5

32

1.51

45

1.52

38

1.53

48

1.53

45

1.54

48

1.54

37

1.54

44

1.56

50

1.56

60

1.58

40

1.59

45

1.6

44

1.6

41

1.6

38

1.62

44

1.62

42

1.64

35

1.65

64

1.65

40

1.67

60

1.67

54

1.68

69

1.69

60

1.7

42

1.7

48

1.71

49

1.71

68

1.72

57

1.75

50

1.75

63

1.81

72

Female year 10-11

Height (m)

Weight (kg)

1.03

45

1.39

42

1.58

48

1.6

54

1.61

59

1.62

48

1.62

54

1.62

48

1.62

42

1.65

54

1.69

50

1.7

48

1.7

55

1.75

60

1.76

56

Male year 10-11

...read more.

Conclusion

1

53

image05.png

Conclusion

  1. As I predicted the average height and weight for males was greater than for females.  However, this turned out to be much lower than I expected.

                   F     M

Height   (1.58-1.62)

Weight  (47.25-47.51)

If you compare the results for year 7, 8, 9 and year 10, 11 we found that there was very little difference in year 7, 8, 9.  This is probably due to the fact that year 7 girls develop earlier than year 7 boys and then year 7 boys catch up by year 9.

  1. From my graphs I can see that when looking at the whole schools height and weight I can see there is a positive correlation.  I then broke the school up into upper school and lower school.  In these graphs you can notice that there is also a positive correlation.

...read more.

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