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Edexcel GCE AS Mathematics (8MA0) Paper 21 Statistics Mark Scheme Summer 2023
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Edexcel GCE AS Mathematics (8MA0) Paper 21 Statistics Mark Scheme Summer 2023
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Edexcel GCEAS Mathematics (8MA0)
Paper 21 Statistics
Mark Scheme
Summer 2023
,General Marking Guidance
*
All candidates must receive the same treatment. Examiners
must mark the first candidate in exactly the same way as they
mark the last.
*
Mark schemes should be applied positively. Candidates must
be rewarded for what they have shown they can do rather than
penalised for omissions.
*
Examiners should mark according to the mark scheme not
according to their perception of where the grade boundaries
may lie.
*
There is no ceiling on achievement. All marks on the mark
scheme should be used appropriately.
*
All the marks on the mark scheme are designed to be awarded.
Examiners should always award full marks if deserved, i.e. if
the answer matches the mark scheme. Examiners should also
be prepared to award zero marks if the candidate's response
is not worthy of credit according to the mark scheme.
*
Where some judgement is required, mark schemes will
provide the principles by which marks will be awarded and
exemplification may be limited.
*
When examiners are in doubt regarding the application of the
, mark scheme to a candidate's response, the team leader must
be consulted.
*
Crossed out work should be marked UNLESS the candidate has
replaced it with an alternative response.
EDEXCEL GCE MATHEMATICS
General Instructions for Marking
1. The total number of marks for the paper is 30.
2. The Edexcel Mathematics mark schemes use the following types of marks:
*
M marks: method marks are awarded for 'knowing a method and attempting to
apply it', unless otherwise indicated.
*
A marks: Accuracy marks can only be awarded if the relevant method (M) marks
have been earned.
*
B marks are unconditional accuracy marks (independent of M marks)
*
Marks should not be subdivided.
3. Abbreviations
These are some of the traditional marking abbreviations that will appear in the mark
schemes.
*
bod - benefit of doubt
*
ft - follow through
*
the symbol will be used for correct ft
*
cao - correct answer only
*
cso - correct solution only. There must be no errors in this part of the
question to obtain this mark
*
isw - ignore subsequent working
*
awrt - answers which round to
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