Which of the following is not a possible value for a product moment correlation coefficient, rrr?
−1-1−1
0.850.850.85
43\frac{4}{3}34
−12-\frac{1}{2}−21
[3]
Markscheme
2.5.10 Correlation as closeness to a straight line (A-level only) Questions
107 exam-style questions on OCR (MEI) A Level Maths 2.5.10 Correlation as closeness to a straight line (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.