基礎統計學簡介(英文版)(ppt 31頁)

基礎統計學簡介內容提要：
Why study statistics?
Numerical info is everywhere
But how do we know if conclusions reported are accurate?
Statistical techniques are used to make decisions that affect our lives
This is why younger people pay more for insurance…
Knowledge of statistical methods at least helps you understand why decisions are made
In future you will make decisions that involve data
What is Meant by Statistics?
In common usage statistics refers to numerical information….. But in this course the term has a wider meaning….
Statistics is the science of collecting, organizing, presenting, analyzing, and interpreting numerical data to assist in making more effective decisions.
Who Uses Statistics?
Statistical techniques are used extensively by managers in marketing, accounting, quality control, consumers, professional sports people, hospital administrators, educators, politicians, physicians, gamblers, etc...
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