Page
  1. 1
    1
  2. 2
    2

MAYFIELD HIGH COURSEWORK

Extracts from this document...

Introduction

MAYFIELD HIGH COURSEWORK Maryam Jan 10sas ` HYPOTHESES 1. My hypotheses are that boys are taller than girls in year 10. 2. Boys weigh more than girls in Year 10. INTRODUCTION The reason for my first hypotheses is that girl enter puberty quicker than boys so for this reason girls growth spurt is earlier on in girls than it is on in boys, but in the later years boys tend to catch up to the girl and in majority cases they outgrow them. The reason for my second hypotheses is that girls at a younger age make more fat as it is needed because of the way the girls has developed. She needs this fat because her body is getting ready top bear children. ...read more.

Middle

Random samples are then taken from each section of the population. Systematic sampling: If a sample of size t is to be taken from the population of size u then every t/u member of the population is to be tested. Every member of the sample is chosen at regular intervals from the list. A sample chosen in this way can be biased if low or high values come in a certain pattern. The starting point is chosen randomly. In order to test, my hypotheses I must take a sample from across a range of years. This is because the sample of year 7's must be in proportion o the size of the whole school. ...read more.

Conclusion

Then you choose certain clusters using random sampling. This method is called cluster sampling. The sample is then every member of the cluster chosen. Cluster sampling is very cheap but it can be biased. Quota sampling: This is a sample where they try to involve as much of the population as possible. It is a method often used by research companies. The interviewer will normally be given instructions but they then will be left to choose the interviewees. Attribute sampling: In this type of sampling you would pick your sample based in an attribute which is totally unrelated to the variable being investigated. SAMPING I WILL CHOOSE I will choose to use random sampling and stratified sampling because these will make the results less biased as possible and the stratified sampling will give us the exact of people we need to use. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Probability & Statistics 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 AS and A Level Probability & Statistics essays

  1. Marked by a teacher

    The heights of 16-18 year old young adults varies between males and females. My ...

    5 star(s)

    7.071 µ = 70.1 ± 1.6449 x 0.432 µ = 70.1 ± 0.711 µ is in the interval [ 69.39 , 70.81 ] 69.39 < x < 70.81 Comparing confidence intervals Below I have presented my confidence intervals graphically: This one shows the confidence intervals of 90% and 99% for the heights of females aged 16-18 years old.

  2. Statistics Coursework

    This way, it does not only reduce the amount of time for me to process the data, it also reduces its quantity. The attendance figures of all of the students will be divided according to the year groups they belong to in ascending order (0% - 100%).

  1. Statistics coursework

    Then I will produce a stem and leaf diagram of the year 7's KS2 results against the year 11's KS2 results. Once again this is for the same reasons as when I used the same type of diagram in the beginning.

  2. Used Cars - What main factor that affects the price of a second hand ...

    the cars are situated in a similar region of price and do not stray way too far from each other. The box plot on the medium engine sized cars shows a quite different story from the small cars. Here the inter-quartile range is far away from the highest priced car

  1. Forensic Examination of Drugs by Thin Layer Chromatography.

    It is essential that a control is used on every plate as Rf values are rarely identical between operators. Since in this experiment a team effort is employed each member should test each unknown with one of the three drugs supplied (Aspirin, Parecetemol & Caffeine).

  2. In this project I will be investigating three main hypotheses, which are all based ...

    Also showing that Sandbanks is the most expensive area followed by Queens Park and last of all Corfe Mullen. Hypothesis "House prices will tend to be higher in the south than in the north." I have decided to investigate this hypothesis as even though houses in the north are the

  1. DATA HANDLING COURSEWORK

    First line of enquiry The first line of enquiry is the taller the person the more the person weighs. I will pick a sample of 60 pupils. This is because I think that 60 pupils will be enough to represent the population and it is small enough to manage.

  2. Intermediate Maths Driving Test Coursework

    In this graph we notice that Friday is again the most popular day for pupil's lessons. The least popular day of the week is like in the preliminary analysis Tuesday at just over 10 pupils.

  • Over 180,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work

Marked by a teacher

This essay has been marked by one of our great teachers. You can read the full teachers notes when you download the essay.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review on the essay page.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review under the essay preview on this page.