A measurement scale which indicates relative sizes of differences (e.g., a thermometer) is an example of a(n) _______ level of measurement.
A) nominal
B) ordinal
C) interval
D) ratio

Question

Quizplus · Accepted Answer

An interval level of measurement indicates relative sizes of differences and has a meaningful zero point. A thermometer is an example of an interval scale as the differences between the temperature readings are consistent and can be accurately measured, but it does not have a true zero point as negative temperatures are possible. Nominal and ordinal scales are not appropriate for indicating size differences, and a ratio scale has a meaningful zero point but is not necessary for just indicating relative differences in size.

A Measurement Scale Which Indicates Relative Sizes of Differences (E