Examlex
The variance is a measure of the linear relationship between two variables.
Normal Good
A type of good for which demand increases as the income of the consumer increases.
Popcorn
A type of corn kernel which expands and puffs up when heated, commonly seasoned and served as a snack.
DVDs
Digital Versatile Discs, a type of optical storage media used for storing data, including movies and software.
Luxury Good
A good for which demand increases more than proportionally as income rises, often perceived as status symbols.
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