Edexcel a level statistics question paper 2 j une 2023 + mark scheme

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Edexcel a level statistics question paper 2 j une 2023 + mark schemePearson Edexcel Level 3 GCE Monday 12th June 2023 Morning (Time: 2 hours) Paper reference 9ST0/02 Total Marks Statistics Advan... ced PAPER 2: Statistical inference You must have: Statistical formulae and tables booklet Calculator Candidates may use any calculator allowed by Pearson regulations. Calculators must not have retrievable mathematical formulae stored in them. Instructions • Use black ink or ball-point pen. • If pencil is used for diagrams/sketches/graphs it must be dark (HB or B). • Fill in the boxes at the top of this page with your name, centre number and candidate number. • Answer all questions and ensure that your answers to parts of questions are clearly labelled. • Answer the questions in the spaces provided – there may be more space than you need. • You should show sufficient working to make your methods clear. Answers without working may not gain full credit. • Unless otherwise stated, inexact answers should be given to three significant figures. • Unless otherwise stated, statistical tests should be carried out at the 5% significance level. Information • A booklet ‘Statistical formulae and tables’ is provided. • There are 7 questions in this question paper. The total mark for this paper is 80. • The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. Advice • Read each question carefully before you start to answer it. • Try to answer every question. • Check your answers if you have time at the end. • If you change your mind about an answer, cross it out and put your new answer and any working underneath [Show More]

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