nursing information system

Short of doing your assignment for you. Exactly what "information" about Nursing Information System report are you looking for. There are an infinite number of different reports. What exactly is it you are looking for???

I doubt it would be just one "system" that would generate the reports you listed. Also might not be a "NIS" per say
Example:
# of RNs by unit/floor would come from the Staffing System
# of nursing staff by sex and age - again from the Staffing System or from a module of the HR system
# of interventions initiated by a RN or group of RNs on a unit would come from the documentation system. The majority of today's documentation systems are not called "Nursing" systems as other clinicians (PTs, OTs, Unit Assistants, Nurses Aides, MSW, Case Managers, Physicians, Nurse Practioners, Dieticians,etc) use the same system to document in.

Reports on outcomes and diagnosis might be found in the documentation system and in Midas - or some other Quality Measures system. Comparison reports on number of nurses and beds might come from one or a combination of systems - Staffing, Decision Support, etc
Fiscal reports come from the Financial application or would be part of a BAR (Billing, Accounts Recievable) system
I hope that helps.