4.2.4Practice:Modeling: Slope-Intercept Equation of a Line

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?