Answer:
B. control group.
Explanation:
In the given experiment there two <em>groups of participants:</em> the <em>experimental group</em> - students who are consistently given excellent grades in math by their teachers, and the <em>control group</em> - students who are consistently given average scores. The control group is not under influence of the factor of consistently high grades (independent variable), impact of which on self esteem Noelle is testing. Here, the control group is used as a benchmark to <u>measure the effect of the independent variable under investigation</u>.
A is incorrect because the problem must have already been determined for there to have been a solution chosen. Likewise, evaluating the solution is no longer necessary if the best solution has already been determined. Implementing an action plan is not possible until one has been developed. (With the given information it should be assumed that an action plan has not been developed yet.)
Therefore, the answer is "develop an action plan"
A Margin Requirement is the percentage of marginable securities that an investor must pay for with his/her own cash. It can be further broken down into Initial Margin Requirement and Maintenance Margin Requirement.