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# Statistics GCSE 2016 watch

1. Guys try to explain (in depth) how to carry out a stratified sample
2. (Original post by stoyfan)
I really need to go because I am spending too much time on this website than actual revision.

Best of luck for everyone who is taking the test.
Haha same and you too
3. This thread makes me feel nostalgic. The sad thing about this is that I've basically forgotten all of statistics. Just goes to shoe that you learn things for the exam as opposed to educating yourself really.
4. Good luck to everyone doing the exam
5. (Original post by stoyfan)
https://en.wikipedia.org/wiki/Normal...rical_Rule.PNG

not really. Here is a diagram of it of how it should look like incase you were to draw one.
Brilliant, thanks so much
6. (Original post by ScienceFantatic)
This thread makes me feel nostalgic. The sad thing about this is that I've basically forgotten all of statistics. Just goes to shoe that you learn things for the exam as opposed to educating yourself really.
how did you find it and what did you get?

If you are doing A level Maths (or already are) you should be doing it anyway.
7. How is this done.
8. (Original post by Amnotsure)
How is this done.
Which past paper is this ?
9. (Original post by Amnotsure)
How is this done.
it allows her to send lots of questionnaires easily and quickly.

That is the only thing I can think of.
10. (Original post by stoyfan)
it allows her to send lots of questionnaires easily and quickly.

That is the only thing I can think of.
What mate, have you read the Question
11. (Original post by Amnotsure)
What mate, have you read the Question
It says how she can take this sample
12. One question. for spearman's rank, what happens if 3 values are the same. What is their rank?
13. (Original post by Amnotsure)
What mate, have you read the Question
lol
14. (Original post by stoyfan)
One question. for spearman's rank, what happens if 3 values are the same. What is their rank?
I don't think that's possible
15. (Original post by stoyfan)
One question. for spearman's rank, what happens if 3 values are the same. What is their rank?
Doubt that would occur. You know what happens if two values are the same right?
16. Yup. if the it would be like 1,2,3.5,3.5,5,6
17. (Original post by Amnotsure)
How is this done.
Any ways how is this done can you give a full answer
18. (Original post by Amnotsure)
It says how she can take this sample
Yeh it means the method
19. (Original post by Amnotsure)
How is this done.
Basically a computer will allow you to randomly generate numbers. From here you can from both genders (male and female) assign each number to each individual and take a proportional amount of people as a sample from each category and also it has to be random so it is representative. You'd keep selecting numbers until you have completed acquiring your sample.
20. So can you give a model answer

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