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Unformatted text preview: B. Sc. Examination by course unit 2010 MTH4106 Introduction to Statistics Duration: 2 hours Date and time: 6 May 2010, 1430h1630h Apart from this page, you are not permitted to read the contents of this question paper until instructed to do so by an invigilator. You should attempt all questions. Marks awarded are shown next to the questions. Calculators ARE permitted in this examination. The unauthorized use of material stored in pre-programmable memory constitutes an exam- ination offence. Please state on your answer book the name and type of machine used. Statistical functions provided by the calculator may be used provided that you state clearly where you have used them. The New Cambridge Statistical Tables are provided. Complete all rough workings in the answer book and cross through any work which is not to be assessed. Candidates should note that the Examination and Assessment Regu- lations state that possession of unauthorized materials by any candidate who is under examination conditions is an assessment offence. Please check your pockets now for any notes that you may have forgotten that are in your possession. If you have any, then please raise your hand and give them to an invigilator now. Exam papers must not be removed from the examination room. Examiner(s): R. A. Bailey and H. Maruri-Aguilar c Queen Mary, University of London (2010) TURN OVER Page 2 MTH4106 (2010) Question 1 (20 marks) Let x 1 , . . . , x n and y 1 , . . . , y n be data collected on the same n items....
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