Originally posted by GB9
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Sky poll demonstrates support for leaving the single market
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Originally posted by sasguru View PostThe answer is in the contradiction contained in this statement:
"Sky Data interviewed a nationally representative sample of 1,068 Sky customers by SMS on 17 January 2017"
Do you see what the problem is?
I would really appreciate the opportunity to learn so please tell me, (all of us) what is statistically incorrect with the poll.Leave a comment:
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Originally posted by sasguru View PostThe answer is in the contradiction contained in this statement:
"Sky Data interviewed a nationally representative sample of 1,068 Sky customers by SMS on 17 January 2017"
Do you see what the problem is?Leave a comment:
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Originally posted by d000hg View PostWe can easily prove the UK strongly favours Brexit, leaving the single market, and a Trump presidency by a poll on CUK
The issue is that Sky customers with mobile phones that respond to polls are NOT a representative sample of the population.
That is what is called a biased sample, not necessarily biased towards Brexit, but biased nevertheless.
There is a lot of work being done on a technical level by polling organisations (including a client I work for occasionally) to understand why the polls are going wrong time after time and one of the issues being examined is the biasedness of the samples being used and how to get more representative samples.
But on a technical level, the paying customers of a particular media organisation would certainly not be considered representative of the population at large and some statisticians would also quibble about the use of SMS.Last edited by sasguru; 19 January 2017, 10:06.Leave a comment:
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We can easily prove the UK strongly favours Brexit, leaving the single market, and a Trump presidency by a poll on CUKLeave a comment:
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Originally posted by GB9 View PostYou have linked to a wiki page about sampling.
So what's the point you are making?
What s the error in this specific poll?
"Sky Data interviewed a nationally representative sample of 1,068 Sky customers by SMS on 17 January 2017"
Do you see what the problem is?Leave a comment:
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Originally posted by sasguru View PostYou don't need advanced skills, O-level knowledge would have been sufficient.
But fair enough, see if you can work out the problem.
All you need is here:
https://en.wikipedia.org/wiki/Sampling_(statistics)
So what's the point you are making?
What s the error in this specific poll?Leave a comment:
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Originally posted by GB9 View PostBecause I can't see any problem with it.
With your advanced skills you clearly do. I'm ready to learn.
But fair enough, see if you can work out the problem.
All you need is here:
https://en.wikipedia.org/wiki/Sampling_(statistics)Leave a comment:
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Originally posted by sasguru View PostWhy not? You told us yesterday you had studied "Pure and Applied Statistics". Did you not do very well at it?
With your advanced skills you clearly do. I'm ready to learn.Leave a comment:
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Originally posted by GB9 View PostNo. I can't explain the problem. You explain to us.
It's a very basic issue.
I'll give you a hint, it's not the size of the sample, but something else that's wrong with it....Leave a comment:
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