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# relationship between height and weight

Extracts from this document...

Introduction

Analysis of the relationship between height and weight of students at Mayfield High School

In this ‘Handling Data Project’ I will be using secondary data to investigate the relationship between height and weight of students at Mayfield High School. I will also investigate the age and genders of the students, because I expect that it will have an affect on my results.

My hypotheses for this project are:

• I expect to find that boys are taller than girls
• That boys will weigh more than the girls
• That taller you are the heavier you are
• That older you are the taller/heavier you are

Middle

Stratified sampling. I have 1183 students in total, and 7% of 1183 gives me a sample of 83 students. So I work out 7% of each year group which gives me a number of students I will be choosing from each year group.

I will use this data to compare the height and weight of students from all year groups with mixed genders, and I will also comparing age with height and weight as well.

 Year Boys 7% Girls 7%

Conclusion

8.26        = 8

143

10.01     = 10

10

106

7.42        = 7

94

6.58       = 7

11

84

5.88        = 6

86

6.02       = 6

Total

604

42.28    = 42

579

40.53   = 41

Now I can get my random samples by pressing                                and multiply by 151 [The number of boys in year 7].

I will round the answer to the nearest whole number, and then repeat the same steps until I get 11 samples of boys in year 7. I will do the same calculation with the other year groups and girls group as well.

Levent karaoglan

This student written piece of work is one of many that can be found in our GCSE Height and Weight of Pupils and other Mayfield High School investigations section.

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