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I am going investigate the height and weight ratio in terms of the body mass index. For this investigation I shall be sampling a fictitious high school called Mayfield. Below is a table containing the data that was provided for us:
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Maths Coursework: Handling Data Hypothesis I am going investigate the height and weight ratio in terms of the body mass index. For this investigation I shall be sampling a fictitious high school called Mayfield. Below is a table containing the data that was provided for us: Year Group Number of Boys Number of Girls Total 7 151 131 282 8 145 125 270 9 118 143 261 10 106 94 200 11 84 86 170 I would expect to find that a taller person would weigh more, so, if I was to draw a scatter graph it would show strong positive correlation. Plan For my investigations I need to work out what data and diagrams I need to use in order to obtain the best results Sampling For my investigation I am going to have to take stratified samples from each year because otherwise there would be far too much data to handle. I have decided to take a sample of 30 boys and 30 girls from the whole school. I chose this as it is, I think, the smallest...
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