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Download Cambridge International AS and A Level Mathematics: by Sophie Goldie PDF

By Sophie Goldie

This fresh sequence has been written for the college of Cambridge overseas Examinations direction for AS and a degree arithmetic (9709). This identify covers the necessities of S1 and S2. The authors are skilled examiners and lecturers who've written largely at this point, so have ensured all mathematical strategies are defined utilizing language and terminology that's applicable for college students internationally. scholars are provded with transparent and designated labored examples and questions from Cambridge overseas earlier papers, in order that they give you the option for lots of crucial examination perform. each one e-book incorporates a unfastened CD-ROM which positive factors the original 'Personal show' and 'Test your self' electronic assets that would aid scholars revise and make stronger strategies clear of the school room: - With own instruct every one pupil has entry to audio-visual, step by step aid via exam-style questions - The attempt your self interactive a number of selection questions establish weaknesses and element scholars within the correct path

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Additional info for Cambridge International AS and A Level Mathematics: Statistics

Example text

Statistics show that they only have to put one wheel outside their front doors to be in mortal danger. 80% of cycling accidents happen within 1500 metres of home. Last week Rita Roy became the latest unwitting addition to these statistics. Luckily she is now on the road to recovery but that is no thanks to the members of our unfeeling town council who set people on the road to death and injury without a second thought. What, this paper asks our councillors, are you doing about providing safe cycle tracks from our housing estates to our schools and shopping centres?

Ii) Find the median. (iii) Calculate the mean. (iv) State, with reasons, which you think is the most appropriate form of average to describe the distribution. (i) S1 1 The tally below gives the scores of the football teams in the matches of the 1982 World Cup finals. Score Tally 0        1         2     3   4   5  6 7 8 9 10  Find the mode, mean and median of these data. (ii) State which of these you think is the most representative measure.

2 A junior school teacher noted the time to the nearest minute a group of children spent reading during a particular day. The data are summarised as follows. Time (nearest minute) Number of children 20–29 12 30–39 21 40–49 36 50–59 24 60–69 12 70–89 9 90–119 2 Choose suitable mid-class values and calculate an estimate for the mean time spent reading by the pupils. (ii) Some time later, the teacher collected similar data from a group of 25 children from a neigbouring school. 5 minutes. Compare the estimate you obtained in part (i) with this value.

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