Machines Called _______ Enable Self-Service Transactions in Busy Locations, Such

question 19

Multiple Choice

Machines called _______ enable self-service transactions in busy locations, such as hotels and airports.

• A) kiosks
• B) drones
• C) robots
• D) pop-ups

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Definitions:

Confounds

Variables that are external to the experimental design itself and can affect the results, thereby casting doubt on the reliability of the conclusions.

Selection Bias

A distortion in statistical analysis resulting from the method of collecting samples.

Positive Correlation

A relationship between two variables in which both variables move in the same direction.

Foot Size

A measurement of the length of a person's foot, often used in determining appropriate shoe fitting.