compute the pseudoinverse of A in the given exercise Exercise 9

Math 115 – Elementary Statistics Lesson 1 Notes Covering Chapter 1 Statistics is the science that deals with collection, classification, analysis, and interpretation of information or data. Statistical methods are particular useful for studying, analyzing, and learning about populations of experimental units. Let’s go through some definitions: An experimental unit is an object (person, thing, transaction, or event) about which we collect data. A Population is a set of units that we are interested in studying. A sample is a subset of the units of a population. A census is when data is collected from every member of the population. A parameter is the numerical description of a particular population charact eristic. A sample statistic is a numerical descriptions of a particular sample characteristic. Population Sample The whole Group Part of the group Group I want to know about Group I do know about Characteristics are called parameters Characteristics are called statistics Ex 1. Determine whether the data set is a population or a sample. The age of each student in this classroom. The ages of one person per row in this classroom. The number of people living in each home in a town. Ex 2. Identify the experimental unit, the population, and the sample. In a survey, 359 college students were asked if they had tried Vanilla Coke. Among t