In Exercises 3946, find the determinant of the matrix. Expand by cofactors using the indicated row or column. 64180130636705842 (a) Row 2 (b) Column 2

Part II Descriptive Statistics CHAPTER 2: Organizing Data Section 2.1 Variables and Data • Variables: characteristic that varies from one person or thing to another • Data: Value of a variable. Variable Qualitative variables: Non-numerically Quantitative variables: Numerically valued values variable. variable. Ex: sex, eye color, names Ex: weight, height, number of siblings Discrete variable: Quantitative Continuous variable: Quantitative variable variable whose possible values can whose possible values f