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Introduction Most people appear to think that the older you are the smarter you are. I am going to investigate this by looking gat data from year 7 and comparing it to data from year 11. Both year groups were asked to complete the same task, to guess the size Hypothesis 1. Pupils in year 11 are better at guessing the length of a line than pupils in year 7. 2. People who are good at estimating lengths are good at estimating angles. For both of my hypothesis I am going to be using secondary data given to me by my school, as this is less time consuming than collecting data by myself. My sampling frame will be the results from all the girls in School from year 7 to year 11 in 2002 that completed the task. I could take a census survey meaning that I could use every piece of data, which would be more...

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