ABCDEFGHIJKLMNOPQRSTUVWXYZAAABACADAEAF
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BoundariesThese boundaries are based on the mean plus 1.5 standard deviations for past papers. (Year to year boundaries are not normally distributed) Note:+1.5s is 85% confindenceScaling toolUse this tool to generate boundaries for tests that do not follow the IGCSE format Placing the total marks for each section into the white boxes below to generate scaled test boundaries
Time Scaling
Use this tool to generate boundaries for oficial test papers done in lessons but without enough time. You can use the "Total" columns results in the other scaling tool to figure out the overall boundaries
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BiologyMarksTime
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A*ABCDEFGA*ABCDEFG"Total"A*ABCDEFG
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Paper 234292522191614Paper 21815131110876Paper 21098665443
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4085%72%62%54%47%41%35%22%45
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Paper 448413328221713Paper 41811976543Paper 410116544322
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8060%51%41%35%28%21%16%13%75
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Paper 631272320171411Paper 697655433Paper 61075543322
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4078%68%58%50%43%36%29%17%60
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Overall1611391199985725945Overall453631272219161310
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20080%70%59%50%43%36%29%23%
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ChemistryMarksTime
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A*ABCDEFGA*ABCDEFG"Total"A*ABCDEFG
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Paper 230262219161412Paper 2181412109765Paper 2454030262219161412
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4076%65%56%48%41%35%30%100%45
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Paper 454443378231813Paper 4181210718543Paper 4555939322457171310
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8067%55%41%98%28%22%17%73%75
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Paper 632272219171311Paper 6119765543Paper 6553730252018151210
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4081%67%56%48%41%33%26%92%60
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Overall1671421189580675342Overall473933282219161310
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20084%71%59%47%40%33%27%21%
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PhysicsMarksTime
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A*ABCDEFGA*ABCDEFG"Total"A*ABCDEFG
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Paper 230262320171412Paper 20000000Paper 2454030262320171412
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4074%65%58%49%42%36%31%100%45
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Paper 451413227211611Paper 424151298653Paper 450533427211814117
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8064%51%39%34%27%20%14%67%75
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Paper 629262320171411Paper 60000000Paper 62517121198765
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4074%64%56%49%43%35%28%42%60
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Overall1531331129379665341Overall24181613119865
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20077%66%56%47%40%33%27%21%3019151210864
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Co-ordinated (Extended)
MarksTime
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A*A*AABBCCDDEEFFGGA*A*AABBCCDDEEFFGG"Total"A*ABCDEFG
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Paper 229242018161311Paper 2302218151312109Paper 235312219151412109
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4072%60%49%45%40%33%29%78%45
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Paper 471554033251913Paper 4301814108653Paper 4353521161210754
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12059%46%33%27%21%16%11%29%120
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Paper 643363025201510Paper 630211815131075Paper 6352317141210864
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6071%61%50%42%34%25%17%39%90
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Overall1801511239580665239Overall906757463630252015
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24075%63%51%40%33%28%22%16%98806253443426
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Co-ordinated (Core)MarksTime
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A*A*AABBCCDDEEFFGGCCDDEEFFGG"Total"A*ABCDEFG
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Paper 12219171412Paper 130161412119Paper 14540002219171412
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4054%48%42%36%31%100%45
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Paper 35749403224Paper 33014121086Paper 3120120005749403224
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12047%41%34%27%20%100%120
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Paper 63025201510Paper 63015131075Paper 655370018151296
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6050%42%34%25%17%61%90
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Overall117100836751Overall904437312519
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24049%41%35%28%21%
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