STT215: THE ROLE OF STATISTICS

Dr. Cuixian Chen

Introduction to Statistics Analysis

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WHAT IS STATISTICS? collection or gathering of data displaying, analyzing, and summarizing

data inferring information from data

EXAMPLES OF STATISTICS1. Is hormone replacement therapy

associated with heart disease or stroke?2. Is the productivity and yield of maize

significantly effected by the environment: drought, UV or both?

3. What are promising locations for a new retail outlet?

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THE ROLE OF STATISTICS

Market Research:Are consumer tastes in television programs changing? What are promising locations for a new retail outlet?

Statistician: Market researchers use both government data and their own surveys to answer questions such as these. Statisticians design the elaborate surveys that gather data for both public and private use.

THE ROLE OF BIOSTATISTICSBiology: Is the productivity and yield of maize significantly effected by the environment: drought, UV or both?

Statistician: Designing studies for and analyzing data from agricultural experiments to increase productivity and yield.

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THE ROLE OF STATISTICS1. Survey and estimate the unemployment

rate, average family income in the United States (at the Bureau of Labor Statistics)

2. Evaluate the environmental impact of air, water, and soil pollutants (at a research laboratory, commercial environmental clean-up firm, or the Environmental Protection Agency)

AVERAGE SALARY OF JOBS WITH RELATED TITLESFROM HTTP://WWW.INDEED.COM/SALARY/STATISTICIAN.HTML

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Biostatistician Job hunting websites: www.indeed.com www.biospace.com www.craigslist.org

Other websites: www.monster.com www.careerbuilder.com

http://monster.salary.com/SalaryWizard/Biostatistician-I-Salary-Details.aspx

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