If the correlation coefficient has a negative value, then the coefficient of determination: b. must be positive.
What is a regression line?
A regression line is a statistical line that best describes the behavior of a data set and such, it is a line that best fits a set of data.
What is a positive correlation?
A positive correlation can be defined as a terminology that is used to described a scenario (situation) in which two variables move in the same direction and are in tandem.
This ultimately implies that, a positive correlation exist when two variables have a linear relationship or are in direct proportion. Thus, when one variable increases, the other increases, as well.
Read more on positive correlation here: brainly.com/question/3753830
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Complete Question:
If the correlation coefficient has a negative value, then the coefficient of determination:_________.
a. can take on either a negative or positive value.
b. must be positive.
c. will also have a negative value.
d. will equal zero.
