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# S1 edexcel - Standard deviation/Mean watch

1. Hi guys,
Would I still get full marks on a question about calculating standard deviation and the mean by doing it on a calculator? It's the only way we have been taught how to do it and it seems pretty quick/efficient to do it on the calculator.

My doubt comes from the fact that I may not get method marks, although the answer is still correct.Any help would be much appreciated!Thanks!
2. (Original post by Connor_1949)
Hi guys,
Would I still get full marks on a question about calculating standard deviation and the mean by doing it on a calculator? It's the only way we have been taught how to do it and it seems pretty quick/efficient to do it on the calculator.

My doubt comes from the fact that I may not get method marks, although the answer is still correct.Any help would be much appreciated!Thanks!
It depends on the question. If imagine its a 3 mark question you dont show any working out you will still get all the marks.
But it if a 5 or 6 mark question then its best to show the working out.

Check ExamSolution the tutor has explained the method really well.

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