MATH 1P98 Lecture Notes - Lecture 1: Eye Color, Simple Random Sample

• School: Brock University
• Department: Mathematics and Statistics
• Course: MATH 1P98
• Professor: TBA

Document Summary

Statistics the science of collecting and analyzing data in relation to a population. Population the entire group of interest to the standard numerical information about pop. Sample a subset of the population being studied numerical info about sample is called a statistic. Two branches of statistics: descriptive organization and summarization of data. Inferential- using data from the sample to draw conclusions about the population. Variable characteristic of the individuals in a population. Two types of variables: qualitative / categorical classi cation of individuals based on the characteristic. Eye color, model of car, student number: quantitative numerical measure of an individual, which can be ordered, added, subtracted can do math with it. Height, temperature, hours per week spent on net ix. Two types of quantitative variables: discrete 0 or the positive integers (whole numbers) ex. Number of aces in a deck: continuous any number an in nite number of possible values, where any two values, there exists another value in between.