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GCSE Statistics Coursework Introduction Scenario: I am not very good at estimating lengths so I am going to find out how to improve it. 1) Is the ability to estimate the length of a straight line related to mathematical ability? Null hypothesis: There is a relationship between the ability to estimate the length of a straight line and mathematical ability. Alternative hypothesis: There is no relationship between the ability to estimate the length of a straight line and mathematical ability. 2) Does the estimation of a non straight line improve after practice? Null hypothesis: Practice improves the estimate of a non-straight line. Alternative hypothesis: Practice doesn't improve the estimate of a non-straight line. 3) Does a 14/15 year olds ability to estimate the length of a straight line fit a normal distribution? Null hypothesis: A 14/15 year olds ability to estimate a straight line fits a normal distribution. Alternative hypothesis: A 14/15 year olds ability to estimate a straight...

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