For each pair of X and Y variables, decide which correlation coefficient to comp
ID: 3368757 • Letter: F
Question
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 A criminologist ranks 50 individuals convicted of a crime in terms of the seriousness of their offense. X -the seriousness rank the criminologist assigned to the crime, and Y = the time served in prison by the offender. x- whether a professional football player had a concussion injury during his career, and Y-whether the football player has experienced an episode of depression. Xwhether a state bans talking on a cell phone while operating a motor vehicle, and Y the number of fatal automobile accidents in the state. 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.Explanation / Answer
Ist statement: Both variables ranks are being given so Spearman
IInd statement: Both variables qualitative so Phi
IIIrd statement: One qualitative and one quantitative variable so Point-biserial
IVth statement: Both variables quantitative so Pearson
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.