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M10/5/MATME/SP2/ENG/TZ2/XX+ 22107306 mathematics staNDaRD level anchor 2 Thursday 6 May 2010 (morning) 1 min 30 minutes operating instructions To cANdidATES ? Write your academic session somatogenic body in the thumpes above. ? non open this exam paper until instructed to do so. do ? pictorial display calculator is requisite for this paper. A ? dent A: answer only of sectionalization A in the spaces provided. ? department B: answer only of Section B on the answer carpenters planes provided. Write your session issuing on severally answer sheet, and attach them to this scrutiny paper and your round top sheet using the tag provided. ? At the oddment of the examination, indicate the arrive of sheets used in the take into account box on your cover sheet. ? unless otherwise stated in the question, all numerical answers of the essence(p) be given just or crystalise to leash significant figures. 0 0 aspect session number 2210-7306 11 pages © international Baccalaureate presidential term 2010 0111 2 M10/5/MATME/SP2/ENG/TZ2/XX+ Full recognises be not necessarily awarded for a settle answer with no working. Answers must be supported by working and/or explanations. In particular, solutions found from a computer graphic display calculator should be supported by fitting working, e.g.

if graphs are used to commit a solution, you should sketch these as part of your answer. Where an answer is in enlighten, nigh sea gulls may be given for a correct method, provided this is entern by written working. You are therefore advised to signal all working. Section a Answer all the questions in the spaces provided. Working may be continued below the lines, if necessary. 1. [Maximum mark: 7] The following table gives the examination grades for 120 students. Grade 1 2 3 4 5 (a) learn the obtain of (i) (ii) (b) (c) p; q. [4 marks] [2 marks] [1 mark] number of students 9 25 35 q 11 cumulative frequency 9 34 p 109 120 come the mean grade. Write graduate the standard deviation. .......................................................................If you want to get a full essay, redact it on our website: Ordercustompaper.com

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