AQA S1 2015 June — Question 3 2 marks

Exam BoardAQA
ModuleS1 (Statistics 1)
Year2015
SessionJune
Marks2
TopicBivariate data
TypeCalculate r from raw bivariate data
3 Fourteen candidates each sat two test papers, Paper 1 and Paper 2, on the same day. The marks, out of a total of 50, achieved by the students on each paper are shown in the table.
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Q1 6 Q2 4 Q3 2 Q4 Q5 1 Q6 3 Q7 2