For my coursework I am going to be investigating how students from key stages 3 and 4s weight affects their height and vice versa. I am going to be investigating this in Mayfield School

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Introduction

For my coursework I am going to be investigating how student’s from key stages 3 and 4s’ weight affects their height and vice versa. I am going to be investigating this in Mayfield School. I am investigating a sample of 60 pupils in the school out of 1083 as the total population.

The data that has been provided each pupil includes:

  • Name
  • Gender
  • Left/right handed
  • Favourite Subject
  • Hours watching TV
  • Weight
  • Distance to School
  • Age
  • Hair Colour
  • Favourite colour
  • Favourite programme
  • IQ
  • No. Of Pets
  • Means of Transport
  • Year Group
  • Eye Colour
  • Favourite music
  • No. Of Siblings
  • Height
  • Key Stage 2 Results

Line of Enquiry

Since there is so much data, I will have to know what I want to find and investigate about the pupils. Therefore I have to come up with a Line of Enquiry to investigate for my project. The line of inquiry that I have chosen is the relationship between height and weight. I have chosen this because I feel that there is a relationship between weight and height and that it can be shown in a vast majority of ways. I am now going to give the list of inquiries.

1. The variations in hair colour, (qualitative data)

2. The variations in eye colour, (qualitative data)

3. The relationship between the above two colours, (qualitative data)

4. The distances travelled to school, (not easily interpreted onto graphs)

5. The relationship between height and weight,  

6. The relationship between two sets of Key Stage 2 results, (discrete data)

7. The relationship between IQ and Key Stage 2 results (no obvious link so it would be useless)        

8. The height to weight ratio in terms of the body mass index (good but not as useful and easily comparable as 5)  

As both variables are ‘continuous’, I expect to achieve more accurate results.

Hypothesis 1:

“There is a positive correlation between height and weight”

I think this because it is fact that the taller the person the heavier their weight.

Plan of Action:
To test my hypothesis I will be using secondary data. I will also be using 60 random chosen students in Mayfield School, Varying from yr 7 to yr 11.  I will also obtain information about the selected students. The fact that I am sampling them by myself changes the data to be Primary data. My data will not be biased as again the pupils have been chosen randomly. Such an s-ample must be representative of all 60 sampled students varying from yr 7 to yr11. o for example, I cannot simply include only males. To answer these questions, I will construct a pie chart, stating and observing the different heights and also trying to prove my hypothesis. I will then use appropriate statistical methods to analyse my data; including calculating averages and using diagrams such as scatter graphs to make comparisons etc.

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Sampling:

I have decided to select 30 females and 30 males at random from the Mayfield School community. I am assuming that there are roughly equal numbers of females and males Ks3 and Key stage 4.

The school has a total of 399 Females in Ks3 and 414 Boys. In Ks4 there are 86 females and in 84 Males. In total there are 485 Females and 498 males. I used a year group listing and numbered the students from 1 to the quantity they were. I used the Rnd button to generate sets of ...

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