This question must be answered with a cross in a box ☒. If you change your mind about an answer, put a line through the box ☒ and then mark your new answer with a cross ☒.
Raina has been watching the judging of a cake baking competition.
Two judges ranked the 10 bakers for their sponge cakes.
Raina calculated the Spearman's rank correlation coefficient for the ranks given by the judges.
She got a value of 0.8.
(i) What type of correlation is shown by the value 0.8? Put a cross in one of the boxes below.
Negative correlation ☐ No correlation ☐ Positive correlation ☐
(ii) Interpret Raina’s value.
The same two judges will also be judging a flower-arranging competition.
Is it possible to say anything about the ranks they are likely to give for flower arranging based on the value of Spearman's rank correlation coefficient that Raina calculated?
Give a reason for your answer.
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cm) and weights (
kg) of the Backs from the Wales rugby squad and the Backs from the England rugby squad.