The final mark allocated to a student is calculated from her mark in each subject. (a) The
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The final mark allocated to a student is calculated from her mark in each subject.
(a) The class teacher worked out an ordinary mean.
(b) The headteacher decided to weight the subjects in proportion to the number of lessons per week, as shown in the table.
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A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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