In the following data, the X scores reflect participants’ rankings in a freshman class, and the Y scores reflect their rankings in a sophomore class. To what extent do these data form a linear relationship?
Answer to relevant QuestionsA researcher observes the behavior of a group of monkeys in the jungle. He deter-mines each monkey’s relative position in the dominance hierarchy of the group (1being most dominant) and also notes each monkey’s relative ...Why can’t you obtain a correlation coefficient greater than ±1? (a) Explain conceptually why the proportion of variance accounted for equals 1.0 with a perfect correlation. (b) Why should you expect most relationships to account for only about 9% to 25% of the variance? Dorcas complains that it is unfair to use SAT scores to determine college admittance because she might do much better in college than predicted. (a) What statistic(s) will indicate whether her complaint is likely to be ...(a) What is the name for SY,? (b) What does SY, tell you about the spread in the Y scores? (c) What does SY, tell you about your errors in prediction?
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