mabz123
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hi

i really need help on this question, its only one mark, but i dont get the reasoning:

http://store.aqa.org.uk/qual/gce/pdf...B-QP-JAN12.PDF

its question 5f.

its to do with residuals, can someone please help me out?

many thanks in advanced
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mabz123
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bump
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anybody?
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somebody?
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zaqwsxcde
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(e) Calculate the value of the residual for the point (35, 2.5).

y=35*M+c Y= –0.21 to –0.19

Given that the values of the 13 residuals lie between -0.28 and 0.23 , comment on the likely accuracy of your estimate in part (d).

Estimate in part (d) is accurate as it lies between -0.28 ad 0.23.
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