Cars A random survey of autos parked in student and staff lots at a large university classified the brands by country of origin, as seen in the table. Is country of origin independent of type of driver?

Week one Lecture #1 Chapter 3- Section 3.3 What is Statistics- Statistics is the branch of mathematics that deals with the collections Population vs. Sample Population: entire group of entities that we want information about Sample: Part of the population that we actually examine in order to gather info Census: Attempt to collect info. From entire population Parameter vs. Statistics Parameter: a fixed number that describes the population, but we do not know its value Statistics: it is a number that describes the sample, and it can change from sample to sample. Used to estimate unknown parameters Parameter Populations