... year, I have presented my data of height and weight for year on separate scatter diagrams. YEAR 7 GIRLS Height (cm) Weight (kg) 1.19 30 1.30 33 1.31 34 1.42 34 1.42 36 1.42 37 1.43 40 1.45 40 1.46 40 1.47 40 1.47 44 1.48 44 1.48 44 1.50 45 1.52 45 1.53 45 1.53 45 1.53 45 1.55 47 1.56 47 1.57 47 1.58 48 1.60 48 1.61 48 1.62 50 1.63 50 1.64 51 1.64 52 1.73 57 The scatter diagram shows that there is strong, positive correlation between the height and weight of year seven girls. This graph proves to me that the taller you are, the heavier you tend to be. This will be useful in this project for finding out whether my hypothesis is correct. It seems to me that as girls grow older, they tend to get taller, meaning that they will probably become heavier. In this piece of coursework, I want to find out whether this is correct. I will do this by completing a number of graphs. YEAR 10 GIRLS Height (cm) Weight (Kg) 1.40 35 1.41 40 1.52 45 1.53 45 1.53 45 1.53 45 1.55 46 1.56 48 1.57 48 1.62 48 1.62 48 1.62 50 1.63 51 1.65 51 1.65 52 1.66 52 1.67 53 1.68 53 1.68 54 1.70 55 1.72 57 1.73 58 1.73 59 1.75 60 1.76 60 1.78 60 1.80 63 1.80 65 1.90 66 In comparison to the scatter diagram for the year seven girls, this graph shows that year 10 girls are generally taller. I can see this as ...

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