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The task is to take a table of data from a school and make hypotheses on the data we collect.

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Introduction

Math’s Coursework

The task is to take a table of data from a school and make hypotheses on the data we collect.

Hypothesis 1

The person’s weight increases when they get taller.

I have taken around 50 boys and girls from years 10 and 11. I’ve made graphs to show how their height compares with their weight.

image00.png

This graph shows no correlation.  Most girls are an average height and weight, but there are a few girls who are ‘out of the ordinary’.

image01.png

This graph is slightly different because even though we still don’t see any correlation, it shows that most of these boys are heavier than the girls.  There is a greater range in height of the boys than the in girls, as most girls were average height.

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Middle

image03.png

 I don’t see any correlation yet. The year 10 and 11 girls are similar in their height and weight because they all seem to have an average height and weight.

image04.png

For the first time we can recognize some positive correlation.  It’s not much but we can see that most year 11 boys’ weight increases when they get taller.

This graph shows the weight and height of both sexes.

image05.png

This shows that most boys weigh more than girls.  This is expected but I still do not see evidence of my hypothesis.

        Therefore my hypothesis that peoples’ weight increases when they get taller is not proven in the graphs.

The one time when we really see a positive correlation of this

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Conclusion

I will do the same for the year 11 pupils.

I can see some more positive correlation.  The girls of this year also have a higher IQ than the girls in the year below.

image08.png

This graph seems to be more mixed than the others, but still shows a positive correlation.  Another thing that seems different about this graph is that there are more intelligent boys in year 10 and also the girls in this year are more intelligent as well.

        My hypothesis that pupils with a higher IQ will have better KS2 results has been proven from the data.  All four of the graphs I have produced showed this with a positive correlation, so this hypothesis has been proven unlike the first. .  

                                                                            Aaron sapsworth

11r,f

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