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# Investigating the relationship between heights and weights of 50 girls in year 11.

Extracts from this document...

Introduction

Maths Coursework-relationship between heights and weights of 50 girls in year 11

HYPOTHESIS:

I think that as the height of the girls increases the weight will as well, so I expect my graph to have a slight positive correlation.

METHOD:

From my data I selected the results for year 11 females. I then numbered each one from 1 – 86. I

Middle

50

1.68

48

GRAPH:

COMPARISON:

 Height of year 11 girls (m) Weight of year 11 girls (kgs) Height of year 11 boys (m)

Conclusion

0.579 = 0.7609205, this is above the critical value for 50n so, I can therefore say that my results have a highly positive correlation.

EVALUATION:

I think my results have been successful and have proved my hypothesis correct, but if I was going to repeat the investigation I would have included the outliers and commented on the anomalies on my graph.

This student written piece of work is one of many that can be found in our GCSE Height and Weight of Pupils and other Mayfield High School investigations section.

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