The price of stock a at9am was $12.73 since than the price has been increasing at the rate of $0.06 per hour. at noon the price of stock b was $13.48. it begins to decrease at the rate of $0.14 per hour. if the stocks continue to increase and decrease at the same rates in how many hour will the price of the price of the stocks be the same?

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.