For Exercises 1524, four of the statements are true. Make a sketch or demonstrate each true statement. For each false statement, draw a counterexample. If m D = 40 and m C = 140, then angles C and D are a linear pair.

Statistics is the science of collecting, classifying, presenting and interpreting data. Where Does Data Come From • Individuals o The objects described by a set of data. The objects can be people, animals or things. • Variable o Any characteristic of an individual. Variables can take different values for different individuals....