Sampling Distribution of Difference between means Watch

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Gregorian IV
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For my maths statistics coursework, my teacher said to get high marks i should apply

"Sampling Distribution of Difference between means"

Can anyone explain it to me simply please? You will be a massive help i you can!
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staylor
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THats its complicated name.

If you want somebody to help pastwhatit actually is (eg. with all of the bits)

It is hard to apply properly in this piece of coursewrok because the values are limited (eg. you dont get 3.56 letters in a word), but for this really you are supposed to have a never ending amount (dont remember whatthats called), like height which can be anything dependig on how accurate your ruler is.
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Jonny W
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Please see http://www.thestudentroom.co.uk/t88527.html. I've edited the post I made a week ago to remove the A-level ideas. You no longer need to know about the normal distribution (that's not in GCSE, right?).

If you post your data, I'll try to help more.
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