A department store has two locations in a city. From 2004 through 2008, the profits for each of the store s two branches are modeled by the functions and In each model, represents the number of years after 2004, and and represent the profit, in millions of dollars. a. What is the slope of Describe what this means. b. What is the slope of Describe what this means. c. Find What is the slope of this function? What does this mean?

Lecture 1: Statistics Info and some Basic Principles -‐ Statistics is the most important science in the whole world: for upon it depends the practical application of every other science and of every art: the one science essential to all political and social administration, all education, all organization based on experience, for it only gives results of our experience." Florence Nightingale, Statistician -‐ Statistics are numbers measured for some purpose. -‐ Statistics is