Chap intro.pptx - Chapter I Introduction to Statistics...

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1 Chapter I: Introduction to Statistics Hayet Ben Hamida
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Objectives of this course 2 Define key Terms used in the field of statistics Compare the four different levels of data: nominal, ordinal, interval, and ratio
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Outline 1-1 STATISTICS IN BUSINESS 1-2 BASIC STATISTICAL CONCEPTS 1-3 DATA MEASUREMENT 3
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STATISTICS IN BUSINESS 4
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To be able to read and understand various statistical studies requires a knowledge of the vocabulary, symbols, concepts, and statistical procedures To be able to properly evaluate the Data that bombard you every day, If you cannot distinguish good from faulty reasoning, then you are vulnerable to manipulation and to decisions that are not in your best interest. STATISTICS IN BUSINESS
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Statistics is the science of collecting, organizing, presenting, analyzing , and interpreting numerical data to assist in making more effective decisions. STATISTICS IN BUSINESS
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Who Uses Statistics? Statistical techniques are used extensively by marketing, accounting, quality control, consumers, professional sports people, hospital administrators, educators, politicians, physicians, etc...
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9 In this sense, statistics is one of the most important things that you can study, to become better consumers and citizens STATISTICS IN BUSINESS
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BASIC STATISTICAL CONCEPTS 10
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A population is a collection of all possible individuals, objects, or measurements of interest.
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