Statistics Coursework-Mayfield High School

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Statistics Coursework-Mayfield High School

I am going to investigate the relationship between the heights and weights of the pupils in Mayfield High.

Hypothesis

From what I have seen in the data base and from what I have seen around my school, I predict that the taller the pupil is, the heavier they will weigh. I also think that the pupils from KS4 will be taller and heavier than the pupils in KS3. I also think that boys in KS4 will be taller than the girls in KS4.

I have chosen to investigate the height and weight of the pupils because height and weight are quantitative data and they are continuous data not discrete data. I also need to collect a sample of the data to be able to analyse it properly. To do this I will take a stratified sample from the school population. The school population is 1200. There are 830 pupils in KS3 and 370 pupils in KS4. I am using a stratified sample because it will show a fair representation of the population of the school because there is a different number of pupils in each year group so just taking 50