Final answer:
The statement that is NOT true regarding the Great International Exhibition of the Decorative Arts held in Paris in 1925 is it affected only graphic design and interior design.
Step-by-step explanation:
The statement that is NOT true in regard to the Great International Exhibition of the Decorative Arts held in Paris in 1925, according to the video "What Is Art Deco" is: it affected a small, limited area of design--only graphic design and interior design.
The video explains that the Great International Exhibition of the Decorative Arts held in Paris in 1925 made the new Art Deco style popular, raised every area of design and the decorative arts to a new level, and was all about glamour. It had a significant impact on various forms of design, including architecture, furniture, jewelry, and fashion.