Research and analysis

Table 5

Updated 18 December 2020
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Reference Stage of process Nature of filter Value reported 2020 only All historical data
a) Input entries All matched students Number of students 229589 229589
a) Input entries All matched students Percentage of all students 80.21 80.21
a) Input entries All matched students Percentage of students (matched) 100.00 100.00
a) Input entries All matched students Number of duplicate students 187430 187430
a) Input entries All matched students Duplicate students (%age of subset) 81.64 81.64
b) Primary filter Z-score only Number of students 10309 11305
b) Primary filter Z-score only Percentage of all students 3.60 3.95
b) Primary filter Z-score only Percentage of students (matched) 4.49 4.92
b) Primary filter Z-score only Number of duplicate students 3632 4843
b) Primary filter Z-score only Duplicate students (%age of subset) 35.23 42.84
c) Secondary filters With difference between CAG and calculated grade Number of students 4761 4966
c) Secondary filters With difference between CAG and calculated grade Percentage of all students 1.66 1.73
c) Secondary filters With difference between CAG and calculated grade Percentage of students (matched) 2.07 2.16
c) Secondary filters With difference between CAG and calculated grade Number of duplicate students 693 871
c) Secondary filters With difference between CAG and calculated grade Duplicate students (%age of subset) 14.56 17.54
d) Secondary filters Within top 2 ranks Number of students 6073 7191
d) Secondary filters Within top 2 ranks Percentage of all students 2.12 2.51
d) Secondary filters Within top 2 ranks Percentage of students (matched) 2.65 3.13
d) Secondary filters Within top 2 ranks Number of duplicate students 1445 2259
d) Secondary filters Within top 2 ranks Duplicate students (%age of subset) 23.79 31.41
e) Secondary filters Combined Number of students 2258 2337
e) Secondary filters Combined Percentage of all students 0.79 0.82
e) Secondary filters Combined Percentage of students (matched) 0.98 1.02
e) Secondary filters Combined Number of duplicate students 208 278
e) Secondary filters Combined Duplicate students (%age of subset) 9.21 11.90
f) Optional filters With unique CAG Number of students 865 895
f) Optional filters With unique CAG Percentage of all students 0.30 0.31
f) Optional filters With unique CAG Percentage of students (matched) 0.38 0.39
f) Optional filters With unique CAG Number of duplicate students 45 57
f) Optional filters With unique CAG Duplicate students (%age of subset) 5.20 6.37
g) Optional filters With lower than average generosity Number of students 869 948
g) Optional filters With lower than average generosity Percentage of all students 0.30 0.33
g) Optional filters With lower than average generosity Percentage of students (matched) 0.38 0.41
g) Optional filters With lower than average generosity Number of duplicate students 33 45
g) Optional filters With lower than average generosity Duplicate students (%age of subset) 3.80 4.75
h) Summary Combination of all criteria Number of students 346 367
h) Summary Combination of all criteria Percentage of all students 0.12 0.13
h) Summary Combination of all criteria Percentage of students (matched) 0.15 0.16
h) Summary Combination of all criteria Number of duplicate students 6 10
h) Summary Combination of all criteria Duplicate students (%age of subset) 1.73 2.72