What is the relation between height and weight for the whole year?

Question Two: How do boys compare to girls in terms of height?

This will be shown in these pie charts:

1) Females:

This chart shows that most females in the year came in the 1.5 to 1.6 metre category. The next most popular category is 1.7 to 1.8 metres. After this, they are spread out across the lower categories.

2) Males:

This chart shows that  most (around half) of the males fall into the 1.5 to 1.6 metre category, then about a third of them in the 1.7 to 1.8 metre category. the rest are either 1.3 to 1.4 metres or 1.9 to 2.0 metres tall.

Overall:

Overall this shows that there are more males in the higher height categories than in the lower, and more females in the middle to lower height categories than the higher. This proves that on the whole, the males are taller than the females.

 

Box plots to back up the Results from the height graphs:

These Box-plots were made from the information given by the cumulative frequency graph on the previous page. they portray an easier to read picture of how the heights are arranged. they are made from the smallest value, the lower quartile, the median, upper quartile, and the highest value:

Question 3: How do boys compare to girls in terms of weight?

As mentioned previously, this information will be taken and processed in the form of  pie charts:

1) Females:

As you can see, the information is much more spread out on this chart (as compared to the height chart), so it is harder to determine a group where the majority fit into. The most populated group is the 51 to 55kg group, with about a quarter of the girls in it. next largest comes the 46 to 50kg group, with roughly the same amount in it. then the information is spread out mostly across the 41 to 45kg and 56 to 50kg groups, then across the higher groups but in smaller amounts.

2) Males:

This information seems to be set out almost the same as the girl's information, it is hard to actually pick out any real differences. There seems to be a higher amount of boys in the higher up categories, (such as the 81 to 85kg group, and so on) than the girls.

Overall:

Overall I think this shows that boys are slightly heavier, but the pie charts are a little hard to take the information from. So, to make this more accurate I am going to put the same information into pie charts.

Bar Graph (1) Females:

As you can see, this chart is much easier to read from and it shows that the girl's weights are definitely concentrated around the middleweights (36 to 40kg group to the 51 to 55kg group). There is very few either side of these popular groups.

Bar Graph (2) Males:

Once again, the 46 to 50kg and 51 to 55kg groups seem to hold most of the boys, but there are more spread out on either side of them. for example there are boys in the 81 to 85kg and 86 to 90kg groups, whereas there aren't any girls in  these weight groups.

Overall:

Overall i think that although the results are very similar, the boys come out just heavier, as in my prediction. This is probably because they are taller, and therefore they have more body mass.

Question 4: What are the most popular height and weight groups for males?