If you have either the Configurable Reports block or the Ad-Hoc Queries admin report installed, these might be helpful to you:
https://docs.moodle.org/32/en/ad-hoc_contributed_reports#Weekly_Instructor_Online_Participation
https://docs.moodle.org/32/en/ad-hoc_contributed_reports#Faculty.2FStudent_Interactions
Best regards,
Elizabeth Dalton
Moodle HQ