2. The diagram shows a circle inside a rectangle. Work out the shaded region, Give your answer to 3 significant figures.
8cm = radius
17 cm
32 cm

#12 find the value of x. #13 find the value of the variable.

Which expression will have the same sum as 3_8 + 1/4?

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.