Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Join our platform to connect with experts ready to provide precise answers to your questions in different areas. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

This is an official estimate of key economic statistics which is a primary cause of forecast error among business economists.
A. Government-supplied data
B. Extreme variation
C. Historical data
D. Seasonal variation