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abc
General Certificate of Secondary Education


Mathematics 4307
Specification B

Module 1 Tier H 43051H



Mark Scheme
2009 examination - June series

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Mark schemes are prepared by the Principal Examiner and considered, together with the
relevant questions, by a panel of subject teachers. This mark scheme includes any
amendments made at the standardisation meeting attended by all examiners and is the scheme
which was used by them in this examination. The standardisation…

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Mathematics B, 43051H - AQA GCSE Mark Scheme 2009 June series




The following abbreviations are used on the mark scheme:


M Method marks awarded for a correct method.

A Accuracy marks awarded when following on from a correct method.
It is not necessary always to see the method. This can…

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Mathematics B, 43051H - AQA GCSE Mark Scheme 2009 June series



MODULE 1 HIGHER TIER 43051H

Note: Probability - Accept fraction, decimal or percentage. Do not accept ratio.

eg ...1......8.....represents
1(a) Suitable key from 00 to 99 B1
......18.........lessons
1 8 B2 Fully correct
2 1 4 5
3 3…

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Mathematics B, 43051H - AQA GCSE Mark Scheme 2009 June series



3071
4 × 500 (180.75...) M1 oe
8495
181 or 180 A1 Must be integer



5(a) To remove seasonality
B1
To obtain the trend
5(b) There are 4 days each week B1
21 + 20 + 26 + 33…

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Mathematics B, 43051H - AQA GCSE Mark Scheme 2009 June series



7(a) As the number of books increase
B1 Positive correlation
so does the total weight
7(b)(i) Circle around (4, 7) B1
If no box ticked stronger must be in
7(b)(ii) Stronger box ticked M1
reason
The points would not…

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Mathematics B, 43051H - AQA GCSE Mark Scheme 2009 June series



3
10(a) seen B1
5
3 2
× M1
5 5
6
A1 oe 0.24
25
2 4
10(b) × M1
5 5

+
6 2 4
their × M1 dep
25 5 5
14
A1 oe 0.56
25…

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