What is the distinction between Pearson by Dr. Janet Forrester @Tufts

Question 1 / 7: What is the distinction between Pearson correlation and Spearman correlation?

A Pearson correlation is used for continuous variables, whereas Spearman correlation is for dichotomous
or binary variables.

B Pearson correlation can range between ?-1 and 1, whereas Spearman correlation can range between
0 and positive infinity.

C Pearson correlation measures the linear association between two variables, whereas Spearman
correlation measures the quadratic association between two variables.

D Pearson correlation is used for normally distributed variables, whereas Spearman correlation
is based on the ranks of two variables.

E Pearson correlation is used for discrete variables, whereas Spearman correlation is used for
binary variables.

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Epidemiology Correlation & Regression

Author:

Dr.Janet ForresterProfessor

Tufts University School of Medicine

USA

Access: Public Instant Grading

Attribution: Janet, E.A. Forrester, Kwan Ho Kenneth Chui, Steven Cohen, Michael D. Kneeland, Alice Tang, David Tybor. Epidemiology and Biostatistics 2010. (Tufts University OpenCourseWare), http://ocw.tufts.edu/Course/65/ (Accessed 3 May, 2014). License: Creative Commons BY-NC-SA

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