Determination coefficient in simple linear regression analysis If the value is 0.85, which of the following statements is correct? a) 0.15 part of the change in the dependent variable is explained by...

Determination coefficient in simple linear regression analysis
If the value is 0.85, which of the following statements is correct?

a) 0.15 part of the change in the dependent variable is explained by the independent variable.
b) A change of 1 unit in the independent variable causes an average of 0.85 units of change in the dependent variable.
c) There is a strong relationship between the variables in different directions.
d) 0.85 part of the change in the dependent variable is explained by the independent variable.