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I will be investigating the relationship between height and weight, I expect a graph of weight and height to show positive correlation.  

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GCSE Maths Statistics Coursework Description of task I will be investigating data from Mayfield High School. There are 1182 students at Mayfield and I have 13 categories of data on each. I will be investigating the relationship between height and weight, I expect a graph of weight and height to show positive correlation. Plan I am getting my data from the school website; this will not be completely reliable as it is a secondary source. To get a sample of my data I will tell the spreadsheet to assign a random number to each set of data and then display the data in order of these numbers, I will then chose the top 50 rows of data as my sample. I have chosen this method because it is completely random and easy to do. I will avoid choosing a biased sample by randomising the order of the data again if the sample appears to...

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