A Researcher Wants to Examine the Relation Between Class Rank

Multiple Choice

A researcher wants to examine the relation between class rank and popularity among peers.Class rank is provided by the school and includes each student's rank in order.The researcher assesses popularity using a likability measure that provides scale data.What does the researcher need to do to the data before calculating a statistic using a nonparametric test?

A) compute difference scores
B) convert the scale data to ordinal data
C) subtract the mean from each score
D) standardize the scores