inherent problem in cross-section data , that is, the data can be very different in magnitude, from very huge value to very little value, resulting in a widely scattered distribution of values.
HETEROGENEOUS
Meaning of HETEROGENEOUS in English
Sean Woo's Finance, GIS and real estate English glossary. Английский глоссарий по ГИС(Географическая информационная система) и недвижимости Sean Woo's Finance. 2012