Using Letter Grades (A,B,C,D,and E)to Classify Student Performance on an Exam

question 69

Multiple Choice

Using letter grades (A,B,C,D,and E) to classify student performance on an exam is an example of measurement on a(n) ____ scale of measurement.​

• A)​nominal
• B)​ordinal
• C)​interval
• D)​ratio

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Definitions:

Carbowax

A trade name for a series of polyethylene glycols commonly used as solvents, lubricants, and in pharmaceutical formulations.

Ethylene Oxide

An organic compound that is a colorless gas with a sweet odor, used as a sterilizing agent and an intermediate in the production of other chemicals.

Anionic

Pertaining to ions or molecules that carry a negative electric charge.

Cationic Polymerization

A type of polymerization where the growth of a polymer chain proceeds via cationic species as the propagating centers.