the relationship between the value y in dollars of a car and its age x in years os estimates from a eandom sample of cars. an equation that models this relationship is y=23,100 - 1,273x. based on this model ahich of the following statements is true

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

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.

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.