A correlation between two interval/ratio variables is measured using the _____ coefficient, and a correlation between two nominal variables is measured using the _____ coefficient.
a. Pearson product-moment correlation; phi coefficient
b. Spearman rank-order correlation; Pearson product-moment correlation
c. phi; Spearman rank-order correlation
d. Pearson product-moment correlation; point-biserial correlation
Question 2
A correlation between two interval/ratio variables is measured using the _____ coefficient, and a correlation between one interval/ratio variable and one nominal variable is measured using the _____ coefficient.
a. Pearson product-moment correlation; Spearman rank-order correlation
b. Spearman rank-order correlation; Pearson product-moment correlation
c. phi; Spearman rank-order correlation
d. Pearson product-moment correlation; point-biserial correlation
Independent assortment of chromosomes at meiosis explains Mendel’s ratio
The oxygen isotope curve illustrates the ratio between 16O and 18O.
Scattergrams are a mechanism used by political scientists to show patterns and relationships among v
GDP per Capita in the United States, 1870–2009 (Ratio Scale)
Finding the angle from a ratio (Part 1)
Correlation Coefficient, r (Chart)