Mathematics (AS & A Level) · Oct / Nov 2025 · Paper 65 · Question 1
9709
As printed in the paper
The question as text
A student notes the length, t minutes, of certain lectures. The results for a random sample of 80 lectures are summarised as follows. n = 80 t 6430 = / t2 = / 519 740
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1(a)[6]
1(b)[1]
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