If there is a consistent relationship between two variables such that Y tends to decrease each time X decreases, but not a linear relationship, then which correlation is designed to measure the consistency of the relationship?

a. a partial correlation
b. a Spearman correlation
c. a point-biserial correlation
d. a phi-coefficient

b

Psychology

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Because chronic illnesses begin to appear during middle adulthood, the death rate during this period __________

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