Answer:
The correct answer is no relationship.
Explanation:
As indicated by the question that the finding of the study is that the team size is not associated with the particular changes in the performance. In this context
Option A is not correct because the relation is positive linear when an increase in the team size resulted in a similar increase in the performance, which is not the case here.
Option B is not correct because the relation is negative linear when an increase in the team size resulted in a similar decrease in the performance, which is not the case here.
So option C is the correct answer.