Question

analysis
what is the correlation coefficient for the data shown in the table?
x y
0 0
1 1
4 4
5 5
4
1
0
5

Explanation:

Step1: Recall correlation coefficient formula

For a perfect positive - linear relationship, correlation coefficient $r = 1$. Here, $y=x$ for all data points $(0,0),(1,1),(4,4),(5,5)$. It's a perfect positive linear relationship.

Answer:

1