Determine the values of the following quantities: a. t.1,15 b. t.05,15 c. t.05,25 d. t.05,40 e. t.005,40

1/13/16 – 1/15/16 CHAPTER 1: WHERE DOES DATA COME FROM Individuals things, “subjects”, “participants” objects described by data building blocks of data doesn’t have to be living Variables any characteristic of the individual (have different values) 1. Categorical variable puts individuals into specific groups 2. Quantitative variable takes numeric values for arithmetic operations (add & average) Ex: age, weight, & height, test scores… WAYS TO COLLECT DATA 1. Observational study observes individuals measures variables DOES NOT GET INVOLVED WITH PARTICIPANTS