STAT151 Lecture 2: Chapter 1 --> Introduction to Statistics

• School: University of Alberta
• Department: Statistics
• Course: STAT151
• Professor: Fok,Rosana

Document Summary

Statistics 151: lecture 2 introduction and chapter 1. Population = the entire collection of individuals we are interested in (often too large to collect data from every individual) Sample = a subset of the population, selected for study in some prescribed manner. Parameter = the characteristic of the population that you are interested in measuring. Statistic = the characteristic of the sample that tis measured and used to estimate a parameter of the population. I want to estimate the proportion of male students for this stats 151 lecture by randomly selecting 10 students in this class. Identify the following: population of interest = stats 151 class, sample = 10 random students, parameter = proportion of male students in this lecture, statistic = proportion of male students in this sample. An investigator wants to estimate the average height of canadian females by measuring the height of 1000 randomly picked canadian women.