The Student Room Group

Large Data Question

i am a bit puzzled by part iii) in the question below...

tsrlargedata.png
1) 513
11) 533

as these are both simple math, basically the q. is introducing a ‘complex’ table,
with typical ‘simple’ errors, a missing field value (533 if my arithmetic is correct)
So looking for the very very obvious, I suggest a transcription error by the table compiler.
When the q. says assume the values are correct, I think they mean the SUMMED values.
Not necessarily the individual fields, one of which might have had a data entry failure?

(Some research showed that 73.2% of all excel spreadsheets contained errors, oh and 89.7% of all statistics are made-up) perhaps that’s what iii) is trying to get at

In which case the answer is obvious....

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