To determine if more building permits are issued in the northern part of a city than in its southern part, Chang examines the number of building permits issued in both parts of the city over the last five years. Which of the following archival research approaches is being used by Chang?

A) Case studies
B) Field experiments
C) Survey archives
D) Statistical records

Building permits

Official approvals issued by local government agencies allowing the construction, expansion, or renovation of buildings.

Statistical records

Documented data and information collected and analyzed for statistical purposes, providing insights into trends, patterns, and relationships.

Archival research

The study of existing records or documents to gather information about a particular subject or area of interest.