• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month
Page
  1. 1
    1
  2. 2
    2
  3. 3
    3
  4. 4
    4
  5. 5
    5
  6. 6
    6
  7. 7
    7
  8. 8
    8
  • Level: GCSE
  • Subject: Maths
  • Word count: 1665

My hypothesis which I am going to try and find out is if there is a relationship between the height and weight difference of boys and girls in years 10 and 11.

Extracts from this document...

Introduction

MATHS COURSEWORK

My hypothesis which I am going to try and  find out is if there is a relationship between the height and weight difference of boys and girls in years 10 and 11.

The data, which I am going to use, is examples of height and weight of boys and girls from years 10 and 11. I am going to do this because I think it will be a fair selection because it is over two year groups and I will get a good selection of data

To obtain my data, I will count 1 person in every 10 until I get a total data selection of 30 pupils.  This selection will be carried out for grouping both the males and females together.  When I am carrying out a selection for the females I will carry out my selection by counting 1 girl every 5 times until I get a total of 30 females.  When I will make my last selection on the males I will get my selection by counting 1 boy every 5 times until I get a total of 30 males.

The sources of information which I have collected for the males and females is because I have chosen them randomly by

...read more.

Middle

I will find the equation of the line of best fit. This will enable me to estimate the weight.

I will then measure the bottom line of the triangle, which is representing the difference in height from one point to another.  I will then measure the vertical line and that will represent the difference in the lowest point of the line to the top and that is the weight.  I will then divide the height and weight together to get my slope.

I will also draw up 3 cumulative frequency tables using the information from the previously tables drawn up..  When I have got a cumulative frequency for each table, I will plot them on graph paper.  From these results I should be able to place these findings on the curve on the graph.  I will then be able to find the median, lower quartile, upper quartile and the inter quartile from the available data.

When I have been able to obtain the median, lower, upper and inter quartiles, I will illustrate these results in to Box plots.  The box plots will be drawn on the same scale for all 3 box plots.  I will do one for the mix, one for females and one for males.

...read more.

Conclusion

There are two outliers, which represent boys who fall outside the normal scale, and I have chosen not to include them in my correlation, as I feel they do not impact on the overall result.

I drew a triangle on the line of best fit in order to ascertain the slope on the line of best fit so that I can calculate an equation to help estimate the weight of the group.  I calculate that the equation W=0.78h+35, based on these findings.


ANALYSIS OF SCATTER GRAPH

This graph is showing 30 plots in relation to height against weight for the girls.

You can see that most of the girls are approximately the same height and weight.  There were some outliers but again I did not include these in my correlation, as they did not impact on the overall result.

I drew a triangle on the line of best fit in order to ascertain the slope on the line of best fit so that I can calculate an equation to help estimate the weight of the group.  I calculate that the equation W=0.78h+35, based on these findings.

Gary Allen

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

    on whether boys are taller and weigh more in comparison to girls. Mean of Girls and Boys Weight BOYS Weight (kg) Tally Frequency (f) Mid-point (x) fx 30?w<40 IIII 4 35 140 40?w<50 IIIIIII 7 45 315 50?w<60 IIIIII 6 55 330 60?w<70 III 3 65 195 70?w<80 0 75

  2. Mayfield High. I will set about carrying out various test in order to come ...

    4 4 5 4.333333333 106 4 4 5 4.333333333 102 5 3 4 4 90 4 3 3 3.333333333 104 4 5 5 4.666666667 109 4 5 5 4.666666667 114 5 6 5 5.333333333 91 4 3 3 3.333333333 101 4 4 4 4 112 4 5 5 4.666666667 92

  1. Mayfield High. My hypothesis is year 11 boys taller and weighs more then year ...

    I will use the every third student method. Name Height (cm) weight (kg) Claire Alexander 160 54 Hanah Mary Barlow 163 44 Shelly Berry 168 54 Lara Alyson Bertwistle 163 47 Sarah Louise Briggs 163 48 Isabella Brown 165 66 Nadia Calik 168 48 Sharon Stella Compass 152 38 Ruth Amy Dore 175 56 Christina Jean Feehily 172

  2. My hypothesis is that there will be a positive correlation between the height and ...

    if early growers get particularly tall they may finish growing by year 10 and then no longer grow - meaning height and weight correlate as both are not increasing. I expect my results to coincide with my hypothesis as other investigations I have viewed of a similar nature back up my theories.

  1. &amp;quot;Medicine was a Battleground for the war between the sexes in the Greco-Roman World&amp;quot;. ...

    Male healers were likened to politicians 'curing' social disease. A woman who, by the very nature of being female, caused social disorder was labelled medically-diseased. Doctors did not distinguish between physical and mental disease. The Peri Parthenion treatise On the Diseases of Young Girls suggests women are more affected by daimones (Lloyd, 2003)

  2. Maths Statistics Coursework - relationship between the weight and height

    metres They are all in order from least to greatest for each stem because this will allow me to calculate the median height. Here are the series of calculations which was helped by using the above plot. Mean = sum of all heights � total number of students = 1.61

  1. Liquid chromatography is a technique used to separate components of a mixture to isolate ...

    RESULTS * Theophylline All the results for theophylline are regarded as anomalous due to the peak having a pronounced shoulder and a strong negative peak just before it. Thus, the number of plates/m for theophylline is very low and the symmetry has negative values (see chromatograms).

  2. Height and Weight corralarion in boys and girls

    60 kg and the ranks were 15, 16 and 17, I would add the ranks up to make 48 and dived it by 3 so the rank of the three peoples weight would be 16. I did this for both the height and the weight.

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