Free practice · single-choice · hard
Practice
Diagnose an overlap error
A report adds two category totals but does not subtract members appearing in both. What error results?
Category relationship map
Membership, overlap, and exclusion change the count
Membership
MemberInside
ExcludedOutside
Relationship
SubsetFully contained
OverlapShared members
Reconcile
UniqueA + B − overlap
Define each set before placing stable record identities, then reconcile overlap members exactly once in the unique total.