y cot x

Statistics Math 181, Spring 2016 Statistics is the science of gathering, describing, and analyzing data. Statistics are also the numerical descriptions of data. Population= all of the people/things that one is trying to learn about Sample = a group of the population from which data is collected (the Sample is a group from the Population) Population vs. Sample ● Whole group ● Part of the group ● Want to know about ● Do know about ● Characteristics = Parameters ● Characteristics = Statistics ● Parameters = fixed & unknown ● S