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

For my third hypothesis I am doing the older you get the more weight you will put on this is because this database is all students who are teenagers- these are all growing so logically the more they grow the heavier they will be.

Extracts from this document...

Introduction

Claire Wightman Maths Coursework Mr Parry My 3rd Hypothesis For my third hypothesis I am doing the older you get the more weight you will put on this is because this database is all students who are teenagers- these are all growing so logically the more they grow the heavier they will be. To prove this I will collect 20 random samples firstly from year 7 and then year 11, firstly I will check it for correlation. ...read more.

Middle

51 40 4. 51 45 5. 63 45 6. 52 57 7. 39 38 8. 63 45 9. 54 47 10. 60 50 11. 84 47 12. 55 54 13. 86 57 14. 48 31 15. 48 40 16. 50 49 17. 76 45 18. 62 39 19. 55 47 20. 48 42 I will now use this data to produce a scatter diagram. So is my hypothesis correct? * There was a positive correlation in my scatter diagram, which would indicate this is the case because the line of best fit is slanted slightly lower and across which means the year seven spread is generally a lower amount. ...read more.

Conclusion

(x) 25<X<35 35<X<45 45<X<55 55<X<65 Frequency 1 11 7 1 Cum. Freq. 1 12 19 20 Now I have done my Cumulative frequency diagrams it has become obvious that the year 7 median of 43 kg is much lower than the year 11 one of 53 kg which proves that on average the older you get the heavier you get too. This is backed up by the year 11 upper quartile of 59 being higher than the year 7 one of 47. Also the lower quartile of 46, being higher than that of 40. Because of these results I can now conclude that my hypothesis is correct. ...read more.

The above preview is unformatted text

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. A hypothesis is the outline of the idea/ideas which I will be testing and ...

    Boys from my Stratified Sample also on average are 6 cm taller than Girls. Mode of Girls and Boys Weight The arithmetic mean of a group of numbers is found by dividing their sum by the number of members in the group; e.g., the sum of the seven numbers 4,

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

    h < 160 |||| |||| || 12 160 ? h < 170 |||| 5 170 ? h < 180 | 1 Total 25 Weight, w (kg) Tally Freq. 25 ? w < 30 || 2 30 ? w < 35 | 1 35 ? w < 49 |||| 4 40 ?

  1. Investigation between the height and the weight of a sample of students.

    I will use various methods to present and analyse my results. I believe that the two sets of data will be directly proportional, the taller you are the more you weigh. Height vs. Weight Sample: I have decided take a sample of 30 students from the school.

  2. &amp;quot;The taller the pupil, the heavier they will weigh.&amp;quot;

    50 10 1.60 50 11 1.91 82 11 1.55 36 11 1.8 60 11 1.68 48 11 1.86 80 I need a more useful representive of the data shown above, so I have decided to sort my data out and put it into height and weight frequency tables.

  1. What pressures do teenagers today have to put up with?

    In school, there are rules about uniform, but still, girls disobey them and wear things that make them look "cool". Buying named shoes, flared trousers and fitted shirts are just a few examples, but there are many more. As a teenager I personally feel pressured to wear the right things

  2. I will be testing the following hypothesis in my pilot study: ...

    For my first hypothesis I think that the Mayfield High School spreadsheet will support my data because it has the relevant data the will prove my hypothesis. Also, the scatter graph shown above shows that there is some correlation between the height and weight therefore I can investigate further full knowing that I could achieve a positive result.

  1. What pressures do teenagers today have to put up with? In this essay I ...

    Girls would prefer to wear the highest healed shoes they can find and be fashionable than wear a nice pair of comfortable shoes, which wont cause them back problems in the future. The same applies for boys. They would much rather wear a fifty-pound pair of uncomfortable Nike trousers than wear a pair of cheap ones.

  2. Investigating the hypothesis that

    Data I used the formula above to get my data. The following data is from the database that I was given in order to select these people that I will use in my investigation. See next page Year 10 Girls Year Group Surname Forename 1 age Months Gender IQ Height (m)

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