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Statistics Project Mayfield High School Relationships between height and weight My aim in this project is to investigate any relationships between height, weight and gender. I will investigate this by comparing and analysing data through various means, including tables, charts and graphs. The total number of students at the school is 1183. It is unfeasible to do a study on all the pupils in the time available. Therefore I decided to take a stratified random sample of the pupils. I did a stratified random sample in order to ensure a fair sample, as there are differing numbers of pupils in each year, so therefore taking the same number from each year is not a good representation of the school community. How I did this is shown on the next page. Finally I found out how many girls and boys I should sample from each year using: No of Yr N...

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