What is the correlation coefficient of the following data? Is it a strong or weak correlation?
x: 1, 3, 5, 7, 9
y: 13, 43, 51, 76, 81
A. 0.97300135; weak
B. -0.97300135; strong
C. -0.97300135; weak
D. 0.97300135; strong
The correlation coefficient of the given data is 0.97300135. This indicates a strong positive correlation between the variables x and y.
Therefore, the correct answer is D. 0.97300135; strong