5. Other correlation coefficients Aa Aa For each pair of X and Y variables, deci

Question

5. Other correlation coefficients Aa Aa For each pair of X and Y variables, decide which correlation coefficient to compute. Assume that the relationship between X and Y is linear. Pearson Spearman Point-biserial Phi x whether a person drinks a glass of warm milk at bedtime,O and Y = the time it takes the person to fall asleep. After observing their behavior at a playground for a week, a psychologist ranks 15 boys for aggressiveness. x = the boy's count of aggressive symptoms from a psychopathological screening test, and Y the aggressiveness rank the psychologist assigns to the boy x = a person's life stress score (number of threatening activities over the past 3 months), and Y the person's number of chronic health problems. X = whether a person slept with the lights on or off at night as ? an infant, and Y whether the person is nearsighted as an adult. Flash Player WIN 30,0,0,113 3340 2004 2016 Aplia Al rights reserved 2013 Cengage Learning except as noted: All rights reserved Check Answer Save & Continue

Explanation / Answer

Statement A: One variable qualitative and one variable quantitative: Point-biserial

Statement B: Spearman

Statement C: Pearson

Statement D: Phi

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