Which correlation coefficient should we use if we want to find out whether a relationship exists between two variables that are both interval or ratio variables?
a. The Pearson correlation coefficient
b. The Spearman rank-order correlation coefficient
c. The point-biserial correlation coefficient
d. The nonlinear correlation coefficient
A
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a. True b. False Indicate whether the statement is true or false
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A. zygote B. embryo C. trimester D. fetus
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Indicate whether this statement is true or false.