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Edexcel GCSE

Paper 1H Higher Tier
Monday 27 June 2011 – Morning Time: 2 hours
Paper Reference

Total Marks

You must have: Ruler graduated in centimetres and millimetres, protractor, pen HB pencil, eraser, electronic calculator.


black ink or • Usein the boxesball-point pen. page with your name, at the top of this • Fill number and candidate number. centre Answer all questions. • Answer the questions in the spaces provided • – there may be more space than you need.


total for • The marksmarkeachthis paper is 100. in brackets The for question are shown • – use this as a guide as to how much time to spend on each question. an • Questions labelled with willasterisk (*) are ones where the quality of your written communication be assessed – you should take particular care on these questions with your spelling, punctuation and grammar, as well as the clarity of expression.


Read carefully • Keep each questiontime. before you start to answer it. an eye on the • Try to answer every question. • Check your answers if you have time at the end. •

Turn over

©2011 Edexcel Limited.



Higher Tier Formulae You must not write on this page. Anything you write on this page will gain NO credit. fx f

Mean of a frequency distribution

Mean of a grouped frequency distribution

fx f

, where x is the mid-interval value.


( x x )2 n x2 n n x

Standard deviation (set of numbers)


( x x )2 n where x is the mean set of values.

Standard deviation (discrete frequency distribution)

2 ⎡ ∑ fx 2 − ⎛ ∑ fx ⎞ ⎤ ⎢ ⎜ ⎟ ⎥ ⎢ ∑ f ⎜ ∑f ⎟ ⎥ ⎝ ⎠ ⎦ ⎣


f ( x x )2 f 6 d2

Spearman’s Rank Correlation Coefficient


n(n 2 1)



Answer ALL the questions. You must write down all stages of your working. 1 A national newspaper...