• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

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

...read more.

Middle

50

1.68

48

GRAPH:

image00.png

image01.png

COMPARISON:

Height of year 11 girls (m)

Weight of year 11 girls (kgs)

Height of year 11 boys (m)

...read more.

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.

...read more.

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.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Height and Weight of Pupils and other Mayfield High School investigations essays

  1. I will first investigate heights and weight for year 7 and for year 11 ...

    50 Mikeal Christophe Bodman 149 38 Rhys Boyo 147 41 Ben Brown 158 40 Avais Butt 160 50 Stephen Campble 152 32 Andrew Brown Chavies 159 52 Neil Cohen 155 38 Nick Michael Connaugto 162 48 Stephen Cronie 135 29 James Dean Davies 157 55 Ben Dever 165 52 James

  2. I will base my investigation on heights and weights. Furthermore, I will be ...

    I shall bear this in mind when looking at the year elevens. Their results may not be as reliable. I will collect the samples using this information: Year 7: Year 7 Boys Pupil No. Gender Height Weight 96 M 1.61 63 108 M 1.51 45 30 M 1.47 50 70

  1. "There ought to be a relationship between the respective heights and weights of the ...

    Due to the fact that in my sample the only 'anomalies' recorded were pupils who were extremely 'large' compared to the rest of the sample I chose to include these individuals. This was because although considerably larger than the rest of the sample, the individual anomalies were in proportion and fitted closely to the line of best fit.

  2. Identify patterns that emerge from groups of data in girls and boys heights and ...

    Also as the tally before there is an interval of 10, which is appropriate later on when we make the graphs. Well as mentioned in the paragraph above 'later' is 'now'. The graphs I am making resemble the tally data in histogram form, which is excellent for this area of working!!!

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work