Which of the following types of scales would allow the researcher to compute arithmetic means?
A)nominal
B)ordinal
C)ratio
D)interval
E)both ratio and interval

Question

Quizplus · Accepted Answer

Arithmetic means can be computed for data that are on an interval or ratio scale because these scales have equal intervals between measurements, allowing for meaningful calculations of averages. Nominal scales categorize data without any order, and ordinal scales rank data without specifying the distance between ranks, making arithmetic means inappropriate for these types of data.

Which of the Following Types of Scales Would Allow the Researcher