Which correlation is most likely a causation? the positive correlation between the number of windows in a building and the number of steps in a building the positive correlation between the height of a person and the number of pairs of socks he owns the negative correlation between the sales of vacuum cleaners and the sales of boots in a store the negative correlation between the number of safety classes employees attend and the number of accidents in the company

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]