Maths Data Handling

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Introduction

The line of enquiry that I have chosen is 'The relationship between height and weight'. To investigate this line of enquiry, I am using secondary data (that I will acquire from the internet) so that there will be no bias and unfairness that is obtained through the collection of primary data in questionnaires. The data that I am using is on a fictitious school, Mayfield High School, but the actual data has been obtained from a real school. This is useful as there will be five age groups that are considered in the whole investigation. However the age groups that lie below the age of 11 and age groups that lie over the age of 16 will not be thought of in the investigation as it stretches out of the age boundary in Mayfield High School.

There are 1183 pupils in Mayfield High School and I will be using the following pieces of data on each pupil: - year group, age, gender, height and weight. This means that I will have a total of 5915 datum points to work from. This is obviously too large so I will use a sampled piece of data of 100 pupils.