Wai wants to know whether the 10 people in her group are as good at Science as they are at Art. She collected the end of term test marks for Science (s), and Art (a), and coded them using x and y = 10 The data she collected can be summarised as follows, Ex = 67 = 465 = 65 = 429 = 434. a Work out the product moment correlation coefficient for x and y. b Write down the product moment correlation coefficient for s and

a. c Write down whether or not it is it true to say that the people in Wai's group who are good at Science are also good at Art. Give a reason for your answer.

AppendixLO1