Like I don't get I can someone help me please

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.

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent