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Hi, is someone here taking the O Level Statistics exam this Monday? I am still not sure how to round my results if the question does not require a certain degree of accuracy. Sometimes the question explicitly says to round the calculation to 3 s.f. or 2 d.p.... but most of the time it does not say anything so I usually round to 2 d.p... and then I look at the marking scheme and they rounded some of the calculations only to 1 d.p. Will I lose marks for it? How do you know how to round if the question does not say anything about rounding?