77 81 Writing(TA) Cohort - 26.5 26.8 School - 28.2 28.3 National - Difference - -1.7 -1.5 Significance Sig- Sig- Significance - Mathematics Cohort 86 77 81 English Grammar, Cohort - School 27.3 25.4 26.5 26.9 Ļ - Punctuation & School National 27.5 27.6 28.4 28.7 - Spelling National - Difference Significance - 88 77 81 English Cohort 86 25.6 27.3 26.8 26.3 School 28.1 28.8 28.5 27.2 National -2.5 -1.5 -1.7 -0.9 Difference Significance - - - - - 26.4 - - - - - Science Cohort 86 - School 28.6 - - - - National 28.7 - - - - Difference -0.1 - - - -
Writing(TA) Cohort School National Difference - - - - Significance - English Grammar, Cohort Punctuation & School Spelling National Difference - - - - Significance - English Cohort School National Difference Significance 86 26.3 27.2 -0.9 77 81 26.5 26.8 28.2 28.3 -1.7 -1.5 Significance Sig- Sig- Mathematics Cohort 86 77 81 School 27.3 25.4 Ļ 26.5 26.9 National 27.5 27.6 28.4 28.7 88 77 81 25.6 27.3 26.8 28.1 28.8 28.5 -2.5 -1.5 -1.7 - - - - - 26.4 - - - - - Science Cohort 86 - School 28.6 - - - - National 28.7 - - - - Difference -0.1 - - - -
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