Question: How are point biserial r rpb and the coefficient different
How are point biserial r (rpb) and the coefficient different from Pearson r?
Answer to relevant QuestionsThe data in the table below were collected in a famous social psychological field experiment. The researchers examined a common source of frustration for drivers: a car stopped at a traffic light that fails to move when the ...Let’s revisit some data that we looked at in Chapter 8, in Table 8.1. Let X = Gender, coded 1 = male, 2 = female. Let Y = height. Using SPSS, run a bivariate regression to predict Height from Gender. If you do not still ...Explain how you might interpret these outcomes for partial r: a. r1y = .70 and r1y.2 = .69 b. r1y = .70 and r1y.2 = .02 c. r1y = .70 and r1y.2 = -.54 d. r1y = .70 and r1y.2 = .48 For a regression (to predict Y from X1 and X2), is it possible to have a significant R, but non significant b coefficients for both X1 and X2? If so, under what circumstances would this be likely to occur? How does Type III sum of squares differ from Type I sum of squares in GLM?
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