A Survey of Earnings Contains an Unusually High Fraction of Individuals

question 55

Multiple Choice

A survey of earnings contains an unusually high fraction of individuals who state their weekly earnings in 100s, such as 300, 400, 500, etc. This is an example of

• A)errors-in-variables bias.
• B)sample selection bias.
• C)simultaneous causality bias.
• D)companies that typically bargain with workers in 100s of dollars.

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Definitions:

Volatile Organic Compound

Organic chemicals that have a high vapor pressure at ordinary room temperature, causing significant vapor emissions that can affect air quality and human health.

Benzene

A volatile, colorless, and highly flammable liquid hydrocarbon, used as a solvent and in the manufacture of various chemicals, known for its carcinogenic properties.

Methane

A potent greenhouse gas and energy source, consisting of one carbon atom bonded to four hydrogen atoms (CH4).

Lichens

Symbiotic organisms composed of a fungus and a photosynthetic partner, typically algae or cyanobacteria, that live together in a mutualistic relationship.