$28.$ Use the Find Unmatched Query Wizard to find attendees who do not have a matching registration.

a$.$ Select the Attendees table as the table to display in the query results.

b$.$ Select the Registration table as the related table.

c$.$ Select the AttendeeID as the common field in both tables.

d$.$ Display all fields in the query result.

e$.$ Save the query using UnmatchedRegistration as the query name.

View the query results, confirm there is one record, and then close it$.$