Chapter 1 (4)

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STAT 302
Sep 4, 2023
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Notes for Statistical Methods (STAT 302) Chapter 1: Introduction to Statistics Instructor: Dr. Mohamed Aburweis Copyright @2023 by: Aburweis, Currans, and Hernandez-Magallanes. All rights reserved. No part of this work may be reproduced in any form without written permission.
Course Objectives By the end of this course, you will see that statistics plays a key role in critical thinking - whether in the classroom, on the job, or in everyday life. My objective is to leave you with the impression that the time you spend studying this subject will repay you in various ways and to make you an informed user of numerical information. 2
What is Statistics? Do you think it is batting averages at a baseball game, tabulates the results of Gallup polls, or unemployment figures? Or it is a college requirement to complete? The answer is NO . Statistics is a meaningful, useful science whose broad scope of applications to business, government, and the social, medical, and physical sciences. Definition of Statistics: Statistics is the science of collecting, classifying, organizing, summarizing, analyzing, presenting, and interpreting data in order to make decisions. 3
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