Qualitative Variable Is to Quantitative Variable as ____ Is to _____

question 38

Multiple Choice

Qualitative variable is to quantitative variable as ____ is to _____.

• A)categorical variable; numerical variable
• B)numerical variable; categorical variable
• C)ordinal,interval,or ratio data; nominal data
• D)categorical variable and ordinal,interval,or ratio data; numerical variable and nominal data

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Definitions:

Infrared Spectrum

A representation of the infrared light absorption or emission of a substance, providing information about molecular vibrations and compound identity.

Carboxylic Acid

An organic compound containing a carboxyl group, characterized by the presence of at least one carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group.

O-H Stretch

A specific stretching vibration in infrared spectroscopy that denotes the presence of an OH (hydroxyl) group in a molecule.

IR Spectrum

A graph demonstrating the infrared absorption and transmission of a substance, providing distinctive molecular fingerprints.