AQA S1 2016 June — Question 1

Exam BoardAQA
ModuleS1 (Statistics 1)
Year2016
SessionJune
TopicBivariate data
TypeCalculate r from raw bivariate data
1 The table shows the heights, \(x \mathrm {~cm}\), and the arm spans, \(y \mathrm {~cm}\), of a random sample of 12 men aged between 21 years and 40 years.
\(\boldsymbol { x }\)152166154159179167155168174182161163
\(\boldsymbol { y }\)143154151153168160146163170175155158
  1. Calculate the value of the product moment correlation coefficient between \(x\) and \(y\).
  2. Interpret, in context, your value calculated in part (a).
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