Mathematics (AS & A Level) · May / June 2018 · Paper 72 · Question 4
9709
As printed in the paper
The question as text
The mean mass of packets of sugar is supposed to be 505 g. A random sample of 10 packets filled by a certain machine was taken and the masses, in grams, were found to be as follows. 500 499 496 495 498 490 492 501 494 494
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(i)[3]
4(ii)[5]
4(iii)[1]
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