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    The last questions on the exam are usually binomial distribution or seasonal variation/moving averages. Well that's what I've seen on past papers 🙄
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    (Original post by stoyfan)
    What??? where did you get that.??? In my statistics AQA textbook, it says nothing about this.
    I got that from the Edexcel spec. I'm not sure about AQA though... You might want to go through the spec as well.
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    (Original post by Amnotsure)
    Can someone plz tell me the advantages of a questionnaire and how to interpret srrc plz tx
    SRCC is a value between -1 and 1. A value close to 1 means a strong positive correlation and a value close to -1 means a strong negative correlation. Everything close to 0 is weak or no correlation. Hope this helps!!
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    (Original post by stoyfan)
    One question. for spearman's rank, what happens if 3 values are the same. What is their rank?
    You just give the mean of the 3 values. e.g. 1,2,4,4,4,6,7,8 and so on...
    The values for 3,4,5 are the same so you just find the mean of those 3 numbers and that is their rank.
    It should be the same for 4 values or 5 values.
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    (Original post by KaceyB)
    The last questions on the exam are usually binomial distribution or seasonal variation/moving averages. Well that's what I've seen on past papers 🙄
    Yeah, I think so too. Are you doing the exam today??
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    How was it ?
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    (Original post by nisha.sri)
    How was it ?
    So hard
    The stuff I revised didn't come on the test and the stuff I didn't revise did
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    (Original post by wenqi.s)
    So hard
    The stuff I revised didn't come on the test and the stuff I didn't revise did
    Yeh it was alright, although some tricky questions i think the grade boundaries will be low don't worry
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    How did you find the exam and what answers did you put
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    (Original post by himmat)
    How did you find the exam and what answers did you put
    Alright you ?
 
 
 
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