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Data handling coursework Introduction: I have been provided with a set of data containing 1183 pupils' height, weight, gender, year group, eye colour, age, hair colour, left/right handed, favourite music, favourite sport, favourite colour and many more. I am going to consider weight, height, year group and gender. I am going to set up three hypotheses to find different combinations between different factors and I will prove these hypothesis using different statistical techniques. Sampling: Stratified sampling: I will 10% of the sample using random stratified sampling. Total pupils in school = 1183 10% of 1183 ˜ 118 pupils Sample size for each year group = (pupils in a year/ total pupils in school) x total pupils in school Year group Random sample size 7 (282/1183) x 118 ˜ 28 8 (270/1183) x 118 ˜ 27 9 (261/1183) x 118 ˜ 26 10 (200/1183) x 118 ˜ 20 11 (170/1183) x 118 ˜ 17 Random and systematic sampling: I randomly chose 8th pupil and then every 10th pupil using systematic sampling to...

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