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Maths Statistics Coursework
Hey All,
I’m having major problems with my statistics coursework.
My hypothesis is that “people get better at guessing ages as they get older” and I’ve taken a sample of people from 3 class years. But after this I’m not really sure of what to do. I know we have to draw lots of graphs (box plots, histograms), but I don’t understand how or why?
And I have no idea what your meant to say when you write it up?!
My teacher wasn’t at all helpful and as I missed a week of the coursework, because of that stupid illness that was travelling round, he hasn’t really explained it to me. So if anyone could help it would be very much appreciated.
Thanks.
I’m having major problems with my statistics coursework.
My hypothesis is that “people get better at guessing ages as they get older” and I’ve taken a sample of people from 3 class years. But after this I’m not really sure of what to do. I know we have to draw lots of graphs (box plots, histograms), but I don’t understand how or why?
And I have no idea what your meant to say when you write it up?!My teacher wasn’t at all helpful and as I missed a week of the coursework, because of that stupid illness that was travelling round, he hasn’t really explained it to me. So if anyone could help it would be very much appreciated.
Thanks.
Hello,
Firstly, I don't think your hypothesis gives you much scope for analysis - you can't really measure how good people are at guessing their age. You would do better with continuous data, such as height, weight, exam results, etc, or at least something you could measure. For example, for my coursework I had hypotheses like "height correlates with weight", "boys are taller than girls", and for my other coursework, "pupils did better in Biology than in Physics". Also, what do you exactly mean by "guessing ages"?
When you have your hypothesis, you can then explain what methods you will use to prove/disprove it. For example, if you're investigating whether height correlates with weight, you can draw a scatter diagram and a line of best fit. Or if you're comparing distributions, you can draw histograms and box plots. After you draw your graphs, you have to analyse them. Finally, you have a conclusion stating whether your hypothesis was proven or not.
Firstly, I don't think your hypothesis gives you much scope for analysis - you can't really measure how good people are at guessing their age. You would do better with continuous data, such as height, weight, exam results, etc, or at least something you could measure. For example, for my coursework I had hypotheses like "height correlates with weight", "boys are taller than girls", and for my other coursework, "pupils did better in Biology than in Physics". Also, what do you exactly mean by "guessing ages"?
When you have your hypothesis, you can then explain what methods you will use to prove/disprove it. For example, if you're investigating whether height correlates with weight, you can draw a scatter diagram and a line of best fit. Or if you're comparing distributions, you can draw histograms and box plots. After you draw your graphs, you have to analyse them. Finally, you have a conclusion stating whether your hypothesis was proven or not.
Reply 2
Hey,
Sorry about that my hypothesis was "people are better at guessing LENGTHS as they get older." And bad news, today my whole year have just been told by teachers that everyone has done the sampling wrong! Fantastic, your meant to take a sample of say 40 from each year then stratisfy, and now we've only been given a week to finish the entire coursework. Really unfair, im sure i'll have to ask for an extension.
What im not really getting is when you have drawn the box plots/ histograms etc what do you say and how can there be enough to say about them? Becasue we looked through someones coursework from a few years ago abnd they ahd done about 20 pages and only got a B. Owell all will no doubt become much clearer when i have acctually drawn these graphs. . . hopefully!
Sorry about that my hypothesis was "people are better at guessing LENGTHS as they get older." And bad news, today my whole year have just been told by teachers that everyone has done the sampling wrong! Fantastic, your meant to take a sample of say 40 from each year then stratisfy, and now we've only been given a week to finish the entire coursework. Really unfair, im sure i'll have to ask for an extension.
What im not really getting is when you have drawn the box plots/ histograms etc what do you say and how can there be enough to say about them? Becasue we looked through someones coursework from a few years ago abnd they ahd done about 20 pages and only got a B. Owell all will no doubt become much clearer when i have acctually drawn these graphs. . . hopefully!
Reply 3
Hey,
I just finished my Maths coursework on statistics last week, so I can help you.
Firstly,you make a hypothesis, which you already have. To be honest, I would have expanded a bit e.g. people are better at guessing lengths as they get older, but girls will be consistently better than boys etc though that depends on the sort of data you have and what your teacher wants from you.
About the '20 pages and they only got a B' thing - remember the coursework is about making a hypothesis and proving/disproving it, not for rambling on. In fact I believe you can have marks deducted for irrelevant rambling type stuff. I am not a long essay person and I sometimes get better marks than those who write loads. Quality not quantity.
That said, I think you should explain EVERYTHING. What you do is say 'I will test this hypothesis by drawing box plot/histogram/scattter graph/whatever'. Then you draw the graph and explain what it shows e.g. Girls are on avergae better than boys; there is more variation in ages etc. Once you have drawn and explained everything you need to, then you make a conclusion comparing what the graphs ACTUALLY show with your hypothesis.
Your teacher should have told you what kinds of graphs to draw for what kinds of data, but here's a quick list (although you have been off for a week and you said they were unhelpful)
No doubt I have completely confused you and gone against what your teacher said.
Do what they say; they are marking it after all
Seriously, I don't know the exact details so why not ask either your teacher or a friend who is also doing the coursework, as they will know more about it.
Hope this helps
I just finished my Maths coursework on statistics last week, so I can help you.
Firstly,you make a hypothesis, which you already have. To be honest, I would have expanded a bit e.g. people are better at guessing lengths as they get older, but girls will be consistently better than boys etc though that depends on the sort of data you have and what your teacher wants from you.
About the '20 pages and they only got a B' thing - remember the coursework is about making a hypothesis and proving/disproving it, not for rambling on. In fact I believe you can have marks deducted for irrelevant rambling type stuff. I am not a long essay person and I sometimes get better marks than those who write loads. Quality not quantity.
That said, I think you should explain EVERYTHING. What you do is say 'I will test this hypothesis by drawing box plot/histogram/scattter graph/whatever'. Then you draw the graph and explain what it shows e.g. Girls are on avergae better than boys; there is more variation in ages etc. Once you have drawn and explained everything you need to, then you make a conclusion comparing what the graphs ACTUALLY show with your hypothesis.
Your teacher should have told you what kinds of graphs to draw for what kinds of data, but here's a quick list (although you have been off for a week and you said they were unhelpful)
•
Box Plots - compare middle 50% (Inter quartile range) and overall range, help you see distribution
•
Histograms - To see distribution and to allow you to see more clearly where the data is (especially in dense areas). Marking on the mean as a line often helps you
•
Scatter Graph - for comparing two variables directly e.g. 'age' and 'ability to guess lengths' (dunno how you measure this).
•
Cumulative Frequency - To see where the highest frequency in the data is, and it also shows the IQR. You can also read off the scales to make predictions e.g. people who are 11.5 yrs old will have a length guessing abilty of 7.3
No doubt I have completely confused you and gone against what your teacher said.
Do what they say; they are marking it after all Seriously, I don't know the exact details so why not ask either your teacher or a friend who is also doing the coursework, as they will know more about it.Hope this helps
Reply 5
Original post by brimstone
Don't worry too much about Stats c/w. I got a C in it, and still managed to get an A overall, down to hard revision for the exam!
R u sure cuz my teachers are scaring the head out off me as my whole life is going to be determined by this and i have been working on this cw day and night
Reply 6
Original post by Chellamzz
R u sure cuz my teachers are scaring the head out off me as my whole life is going to be determined by this and i have been working on this cw day and night
This was posted almost a decade ago lol
Posted from TSR Mobile
Reply 7
Original post by ScienceFantatic
The point is not when it was posted. The point is i need to finish my cw by this week and we only got it last week.Help me if you can if not leave it; im not being rude
sorry if it seems like itI hope for all of you out there, that this will help. I took the test last year and I am 14. This got me an A in my coursework, so it really helps. 
Mathematics
Statistics Coursework
Writing Frame
This piece of coursework should include:
Introduction
Hypotheses
Plan of action
Then…
Any statistical diagrams you do INCLUDING the following heading after each diagram.
’WHAT MY GRAPH SHOWS ME?’
(Remember to say whether this supports your hypotheses or not! – These will be mini conclusions of what each graph shows you.)
MY NEXT STEP – (What do you intend to do next and why?)
Conclusion
Appendices (any raw data use want to include)
The following writing frame may help you when writing your introduction, hypotheses and plan of action.
Paragraph 1 - Introduction
The first paragraph should be the introduction to the coursework.
The following are suggestions of sentence starters that you may wish to use:
The focus of my coursework is…
I am going to investigate whether…
This paragraph needs to be at least 50 words.
Paragraph 2 - Hypotheses
The second paragraph should be about the questions (hypotheses) you are investigating.
The following are suggestions of sentence starters that you may wish to use:
The hypotheses I will be testing are… (or) I think that…
I think they are true because…
This paragraph needs to have 1 hypothesis if you’re a foundation candidate, 2 if you’re an intermediate candidate and 3 if you’re a higher candidate. – The hypotheses need to be linked.
Paragraph 3 – Plan Of Action
The third paragraph should be about your plan of action (how you intend to go about your doing your project).
The following are suggestions of sentence starters that you may wish to use:
For my coursework I will need to collect data to do with… (people’s height for eg.)
I will need to collect … pieces of data.
I will/will not use all of the data I collect
I will need to take a …(random, statisfied etc.) sample
I will get the data from…
I will make sure that my data is reliable and not biased by…
I will record the data I collect in a…
I do/don’t expect to have any problems when I am collecting my data? (Personal, incorrect, missing data), but if I do come across any problems, I intend to deal with them by… (ignore it, resample?)
I will/will not need to put my data into groups because…
I will group it by…
If I have any incorrect or incomplete data, then I will…
The statistical calculations I am planning to do are…
I plan to do most of the calculations… (by hand or on the computer?)
I hope the results of my calculations will show…
The statistical diagrams and graphs am I planning to draw are…
I hope each diagram and graph will show…
This paragraph needs to be at least 200 words.
Final Stage - The Conclusion
The first paragraph should be the overall conclusion to the coursework.
The following are suggestions of sentence starters that you may wish to use:
Overall, my project proves / disproves my original hypotheses
I am saying this because…
I believe my sample was/wasn’t large enough to represent the population fairly.
I think the data that I collected was / wasn’t representative of the population from which it was taken.
As a result of my findings, I changed / didn’t change my original hypotheses.
If I were going to do the investigation again the things I would have done differently are…
I could develop my investigation by…
This conclusion needs to be at least 150 words.
Mathematics
Statistics Coursework
Writing Frame
This piece of coursework should include:
Introduction
Hypotheses
Plan of action
Then…
Any statistical diagrams you do INCLUDING the following heading after each diagram.
’WHAT MY GRAPH SHOWS ME?’
(Remember to say whether this supports your hypotheses or not! – These will be mini conclusions of what each graph shows you.)
MY NEXT STEP – (What do you intend to do next and why?)
Conclusion
Appendices (any raw data use want to include)
The following writing frame may help you when writing your introduction, hypotheses and plan of action.
Paragraph 1 - Introduction
The first paragraph should be the introduction to the coursework.
The following are suggestions of sentence starters that you may wish to use:
The focus of my coursework is…
I am going to investigate whether…
This paragraph needs to be at least 50 words.
Paragraph 2 - Hypotheses
The second paragraph should be about the questions (hypotheses) you are investigating.
The following are suggestions of sentence starters that you may wish to use:
The hypotheses I will be testing are… (or) I think that…
I think they are true because…
This paragraph needs to have 1 hypothesis if you’re a foundation candidate, 2 if you’re an intermediate candidate and 3 if you’re a higher candidate. – The hypotheses need to be linked.
Paragraph 3 – Plan Of Action
The third paragraph should be about your plan of action (how you intend to go about your doing your project).
The following are suggestions of sentence starters that you may wish to use:
For my coursework I will need to collect data to do with… (people’s height for eg.)
I will need to collect … pieces of data.
I will/will not use all of the data I collect
I will need to take a …(random, statisfied etc.) sample
I will get the data from…
I will make sure that my data is reliable and not biased by…
I will record the data I collect in a…
I do/don’t expect to have any problems when I am collecting my data? (Personal, incorrect, missing data), but if I do come across any problems, I intend to deal with them by… (ignore it, resample?)
I will/will not need to put my data into groups because…
I will group it by…
If I have any incorrect or incomplete data, then I will…
The statistical calculations I am planning to do are…
I plan to do most of the calculations… (by hand or on the computer?)
I hope the results of my calculations will show…
The statistical diagrams and graphs am I planning to draw are…
I hope each diagram and graph will show…
This paragraph needs to be at least 200 words.
Final Stage - The Conclusion
The first paragraph should be the overall conclusion to the coursework.
The following are suggestions of sentence starters that you may wish to use:
Overall, my project proves / disproves my original hypotheses
I am saying this because…
I believe my sample was/wasn’t large enough to represent the population fairly.
I think the data that I collected was / wasn’t representative of the population from which it was taken.
As a result of my findings, I changed / didn’t change my original hypotheses.
If I were going to do the investigation again the things I would have done differently are…
I could develop my investigation by…
This conclusion needs to be at least 150 words.
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