Answer:
a) An ordinal scale of measurement
Step-by-step explanation:
Naomi is doing a research based study on the effect of popularity on academic success. To help her out she has some elementary school students and these students will report on how popular each member in their class is.
So she uses these information from the students and she uses an ordinal scale of measurement to rank the students according to their popularity in the class.
Ordinal scale is a second level for measurement which reports the ordering and ranking of the information without actually considering the variation between the data or the information.