Calculate R² and describe what this value means.

Here's the information I have:

r = -0.906

t = 4.281

df = 4, critical t-value of 2.776

Part I: A researcher is interested in the relationship between procrastination and academic performance. They collect a sample of n = 6 participants and measure both their level of self-reported procrastination and their current academic performance. The data are provided below.

Participant	Procrastination (X)	Academic Performance (Y)
1	3	8
2	4	6
3	3	9
4	6	4
5	6	5
6	8	4
Means	5	6