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Analysis and Evaluation From looking at my results in section B, I can draw conclusions and evaluate my results. I have plotted scatter graphs for the height and weight of boys and girls in individual years. The spread of the data for the height and weight of boys in year 7 is relatively gradual, with a positive correlation of 0.52988705. Compared to the spread of the height and weight of girls in year 7, most of the data is bunched up between 1.4m and 1.65m. The positive correlation of the girls in year 7 is 0.292225, showing that the P.M.C.C of boys is greater than that of girls in year 7. My cumulative frequency graph for boys and girls in year 7 representing the height shows that the median, lower quartile and upper quartile is higher than those of the girls. This tells me that in general, the height of boys is greater than that of girls, which is expected as boys are by and large of greater size than girls. My cumulative frequency graph representing the weight of girls and boys in year 7 show a large comparison, as most of the points are the same, barring one which is slightly larger for the girls. The weight median value, lower quartile and upper quartile is greater in all cases for the girls, which surprises me as I would presume boys to be heavier than girls.
Approximate Word count = 908 Approximate Pages = 3.6 (250 words per page double spaced)
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