ECON1203 Lecture : ECON1203 Notes.docx

592 views149 pages
15 Nov 2013
Department
Course
Professor

Document Summary

Statistics is a way to get information from data. A statistic is a descriptive measure of a sample, e. g. the average number of soda drunk by the 1000. Necessary because populations can be unlimited in size and thus investigation would be impracticable and expensive. In order to ensure conclusions and estimate are as accurate as possible, a measure of reliability is built into the statistical inference. Chapter 2: graphical descriptive techniques i conclusion will be wrong. The values of the variable are the possible observations of the variables, e. g. an exam marked out of 100 will have values as the integers between 0 and 100. Data are the observed values of a variable, e. g. 58/100, 100/100, etc: data is plural for datum the mark of one student is a datum. There are three types of data: interval data are real numbers, e. g. height, weight, income, distance, etc. Also referred to as quantitative or numerical (or ratio) data.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents

Related Questions