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Official Edexcel S3 thread Wednesday 20 May 2015 Morning [6691] watch

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    (Original post by SeanFM)
    It's not the confidence interval of the mean, it's just the confidence interval for the data.
    I see, thank you!!
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    (Original post by economicss)
    I see, thank you!!
    No worries I'll see if I can make an S3 thread (and check whether one exists already...) for this year to ask some questions later today - as soon as I can find what resources I should put on the first post :borat:
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    (Original post by SeanFM)
    No worries I'll see if I can make an S3 thread (and check whether one exists already...) for this year to ask some questions later today - as soon as I can find what resources I should put on the first post :borat:
    That would be brilliant!
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    (Original post by SeanFM)
    No worries I'll see if I can make an S3 thread (and check whether one exists already...) for this year to ask some questions later today - as soon as I can find what resources I should put on the first post :borat:
    http://www.mrbartonmaths.com/resourc...evision/S3.pdf

    Let it be known that Mr Barton is a hero, brilliant little pdf to look over time to time to keep your S3 going if you're taking it as an extra module
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    https://869d950bf149eefd5cd2652b4001...%20Edexcel.pdf
    Question 3b on this paper, why do you use standard error instead of 16 multiplied by the variance as the variance?
 
 
 
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