Frank is the moderator during a group discussion in which one student continues to interrupt different speakers. As the group's moderator, Frank should

Frank should creates an agenda and a list of rules to share before the debate begins.

Explanation:

An agenda is a plan of meeting activity in the request wherein in which they are to be taken up, beginning with the call to order and ending with adjournment. It, as a rule, incorporates at least one explicit things of business to be followed upon.

Since while driving a gathering exchange, a mediator ought to follow an arranged plan to every one of the members. Based on the principles of allowing the participants should behave and to carry on the debate.