Mathematics (AS & A Level) · May / June 2021 · Paper 63 · Question 4
9709
As printed in the paper
The question as text
The masses, m kilograms, of flour in a random sample of 90 sacks of flour are summarised as follows. n = 90 Σm = 4509 Σm2 = 225 950
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4(a)[3]
4(b)[3]
4(c)[1]
4(d)[2]
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